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10233020031 = 313262385129
BaseRepresentation
bin10011000011110111…
…10111111001111111
3222102011020021111220
421201323313321333
5131424123120111
64411225044423
7511404143433
oct114173677177
928364207456
1010233020031
114381300453
121b97026713
13c71066250
146d109c9c3
153ed58ae06
hex261ef7e7f

10233020031 has 8 divisors (see below), whose sum is σ = 14693567280. Its totient is φ = 6297243072.

The previous prime is 10233020029. The next prime is 10233020059. The reversal of 10233020031 is 13002033201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10233020031 - 21 = 10233020029 is a prime.

It is a super-2 number, since 2×102330200312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10233020731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131192526 + ... + 131192603.

It is an arithmetic number, because the mean of its divisors is an integer number (1836695910).

Almost surely, 210233020031 is an apocalyptic number.

10233020031 is a deficient number, since it is larger than the sum of its proper divisors (4460547249).

10233020031 is a wasteful number, since it uses less digits than its factorization.

10233020031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262385145.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 10233020031 its reverse (13002033201), we get a palindrome (23235053232).

The spelling of 10233020031 in words is "ten billion, two hundred thirty-three million, twenty thousand, thirty-one".

Divisors: 1 3 13 39 262385129 787155387 3411006677 10233020031