20310131412625 has 16 divisors (see below), whose sum is σ = 26681098953600. Its totient is φ = 15392941700400.

The previous prime is 20310131412611. The next prime is 20310131412667. The reversal of 20310131412625 is 52621413101302.

It is not a de Polignac number, because 20310131412625 - 2⁷ = 20310131412497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4275814765 + ... + 4275819514.

It is an arithmetic number, because the mean of its divisors is an integer number (1667568684600).

Almost surely, 2^{20310131412625} is an apocalyptic number.

20310131412625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20310131412625 is a deficient number, since it is larger than the sum of its proper divisors (6370967540975).

20310131412625 is an equidigital number, since it uses as much as digits as its factorization.

20310131412625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8551634313 (or 8551634303 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 20310131412625 its reverse (52621413101302), we get a palindrome (72931544513927).

The spelling of 20310131412625 in words is "twenty trillion, three hundred ten billion, one hundred thirty-one million, four hundred twelve thousand, six hundred twenty-five".