231020512325 has 12 divisors (see below), whose sum is σ = 286472572320. Its totient is φ = 184811805360.

The previous prime is 231020512271. The next prime is 231020512379. The reversal of 231020512325 is 523215020132.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (231020512271) and next prime (231020512379).

It is not a de Polignac number, because 231020512325 - 2⁸ = 231020512069 is a prime.

It is a super-2 number, since 2×231020512325² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231020512294 and 231020512303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1205456 + ... + 1383894.

It is an arithmetic number, because the mean of its divisors is an integer number (23872714360).

Almost surely, 2^231020512325 is an apocalyptic number.

231020512325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

231020512325 is a deficient number, since it is larger than the sum of its proper divisors (55452059995).

231020512325 is a wasteful number, since it uses less digits than its factorization.

231020512325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230236 (or 230231 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 231020512325 its reverse (523215020132), we get a palindrome (754235532457).

The spelling of 231020512325 in words is "two hundred thirty-one billion, twenty million, five hundred twelve thousand, three hundred twenty-five".