31026404416225 has 12 divisors (see below), whose sum is σ = 39291310445184. Its totient is φ = 24293014520720.

The previous prime is 31026404416187. The next prime is 31026404416351. The reversal of 31026404416225 is 52261440462013.

It is not a de Polignac number, because 31026404416225 - 2²⁹ = 31025867545313 is a prime.

It is a Duffinian 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, 13202724109 + ... + 13202726458.

It is an arithmetic number, because the mean of its divisors is an integer number (3274275870432).

Almost surely, 2^{31026404416225} is an apocalyptic number.

It is an amenable number.

31026404416225 is a deficient number, since it is larger than the sum of its proper divisors (8264906028959).

31026404416225 is a wasteful number, since it uses less digits than its factorization.

31026404416225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26405450624 (or 26405450619 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

Adding to 31026404416225 its reverse (52261440462013), we get a palindrome (83287844878238).

The spelling of 31026404416225 in words is "thirty-one trillion, twenty-six billion, four hundred four million, four hundred sixteen thousand, two hundred twenty-five".