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10231311030 = 2352314827987
BaseRepresentation
bin10011000011101010…
…10110101010110110
3222102001000110012120
421201311112222312
5131423203423110
64411124300410
7511353465063
oct114165265266
928361013176
1010231311030
114380343456
121b96541706
13c708b83c5
146d0b75c6a
153ed34e870
hex261d56ab6

10231311030 has 32 divisors (see below), whose sum is σ = 25622763264. Its totient is φ = 2609725536.

The previous prime is 10231311029. The next prime is 10231311037. The reversal of 10231311030 is 3011313201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10231311037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7413304 + ... + 7414683.

It is an arithmetic number, because the mean of its divisors is an integer number (800711352).

Almost surely, 210231311030 is an apocalyptic number.

10231311030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10231311030 is an abundant number, since it is smaller than the sum of its proper divisors (15391452234).

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

10231311030 is a wasteful number, since it uses less digits than its factorization.

10231311030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14828020.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 10231311030 its reverse (3011313201), we get a palindrome (13242624231).

The spelling of 10231311030 in words is "ten billion, two hundred thirty-one million, three hundred eleven thousand, thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 690 14827987 29655974 44483961 74139935 88967922 148279870 222419805 341043701 444839610 682087402 1023131103 1705218505 2046262206 3410437010 5115655515 10231311030