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31000102100130 = 2351033336736671
BaseRepresentation
bin1110000110001110001100…
…00100101101110010100010
311001202120200102020102000110
413003013012010231302202
513030401202114201010
6145533130022032150
76346453300105242
oct703070604556242
9131676612212013
1031000102100130
119972084512319
12358803b578656
13143b3b2905467
147925ad1adb22
1538b5b54ac120
hex1c31c612dca2

31000102100130 has 16 divisors (see below), whose sum is σ = 74400245040384. Its totient is φ = 8266693893360.

The previous prime is 31000102100117. The next prime is 31000102100141. The reversal of 31000102100130 is 3100120100013.

It is a super-2 number, since 2×310001021001302 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516668368306 + ... + 516668368365.

It is an arithmetic number, because the mean of its divisors is an integer number (4650015315024).

Almost surely, 231000102100130 is an apocalyptic number.

31000102100130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31000102100130 is an abundant number, since it is smaller than the sum of its proper divisors (43400142940254).

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

31000102100130 is a wasteful number, since it uses less digits than its factorization.

31000102100130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033336736681.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 31000102100130 its reverse (3100120100013), we get a palindrome (34100222200143).

The spelling of 31000102100130 in words is "thirty-one trillion, one hundred two million, one hundred thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1033336736671 2066673473342 3100010210013 5166683683355 6200020420026 10333367366710 15500051050065 31000102100130