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10311121030 = 2572331120593
BaseRepresentation
bin10011001101001011…
…10011100010000110
3222121121012012221111
421212211303202012
5132104121333110
64423055035234
7513343040230
oct114645634206
928547165844
1010311121030
1144113a4931
121bb920bb1a
13c842b0162
146db5cd250
15405366e8a
hex266973886

10311121030 has 64 divisors (see below), whose sum is σ = 22205933568. Its totient is φ = 3370498560.

The previous prime is 10311120947. The next prime is 10311121033. The reversal of 10311121030 is 3012111301.

It is a self number, because there is not a number n which added to its sum of digits gives 10311121030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10311121033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 490414 + ... + 511006.

It is an arithmetic number, because the mean of its divisors is an integer number (346967712).

Almost surely, 210311121030 is an apocalyptic number.

10311121030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10311121030 is an abundant number, since it is smaller than the sum of its proper divisors (11894812538).

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

10311121030 is a wasteful number, since it uses less digits than its factorization.

10311121030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20941.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 10311121030 its reverse (3012111301), we get a palindrome (13323232331).

The spelling of 10311121030 in words is "ten billion, three hundred eleven million, one hundred twenty-one thousand, thirty".

Divisors: 1 2 5 7 10 14 23 35 46 70 115 161 230 311 322 622 805 1555 1610 2177 3110 4354 7153 10885 14306 20593 21770 35765 41186 50071 71530 100142 102965 144151 205930 250355 288302 473639 500710 720755 947278 1441510 2368195 3315473 4736390 6404423 6630946 12808846 16577365 32022115 33154730 44830961 64044230 89661922 147301729 224154805 294603458 448309610 736508645 1031112103 1473017290 2062224206 5155560515 10311121030