231255036025 has 12 divisors (see below), whose sum is σ = 308814417772. Its totient is φ = 170772949440.

The previous prime is 231255035927. The next prime is 231255036029. The reversal of 231255036025 is 520630552132.

It can be written as a sum of positive squares in 6 ways, for example, as 85550985081 + 145704050944 = 292491^2 + 381712^2 .

It is not a de Polignac number, because 231255036025 - 2⁷ = 231255035897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231255036029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 355776654 + ... + 355777303.

Almost surely, 2^231255036025 is an apocalyptic number.

231255036025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

231255036025 is a deficient number, since it is larger than the sum of its proper divisors (77559381747).

231255036025 is a wasteful number, since it uses less digits than its factorization.

231255036025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711553980 (or 711553975 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 231255036025 its reverse (520630552132), we get a palindrome (751885588157).

The spelling of 231255036025 in words is "two hundred thirty-one billion, two hundred fifty-five million, thirty-six thousand, twenty-five".