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3121332020130 = 2351738903157321
BaseRepresentation
bin101101011010111101111…
…000101110001110100010
3102001101200222212112001110
4231122331320232032202
5402114441444121010
610345530425444150
7441336342261102
oct55327570561642
912041628775043
103121332020130
11aa3827609285
12424b27940656
1319845698385c
14ab1050d7202
15562d6612120
hex2d6bde2e3a2

3121332020130 has 64 divisors (see below), whose sum is σ = 7932109794048. Its totient is φ = 783368017920.

The previous prime is 3121332020117. The next prime is 3121332020143. The reversal of 3121332020130 is 310202331213.

It is an interprime number because it is at equal distance from previous prime (3121332020117) and next prime (3121332020143).

It is a junction number, because it is equal to n+sod(n) for n = 3121332020097 and 3121332020106.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19761870 + ... + 19919190.

It is an arithmetic number, because the mean of its divisors is an integer number (123939215532).

Almost surely, 23121332020130 is an apocalyptic number.

3121332020130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3121332020130 is an abundant number, since it is smaller than the sum of its proper divisors (4810777773918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3121332020130 is a wasteful number, since it uses less digits than its factorization.

3121332020130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196251.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 3121332020130 its reverse (310202331213), we get a palindrome (3431534351343).

The spelling of 3121332020130 in words is "three trillion, one hundred twenty-one billion, three hundred thirty-two million, twenty thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 38903 77806 116709 157321 194515 233418 314642 389030 471963 583545 661351 786605 943926 1167090 1322702 1573210 1984053 2359815 2674457 3306755 3968106 4719630 5348914 6613510 8023371 9920265 13372285 16046742 19840530 26744570 40116855 80233710 6120258863 12240517726 18360776589 30601294315 36721553178 61202588630 91803882945 104044400671 183607765890 208088801342 312133202013 520222003355 624266404026 1040444006710 1560666010065 3121332020130