31423335325 has 24 divisors (see below), whose sum is σ = 39113369600. Its totient is φ = 25043074560.

The previous prime is 31423335319. The next prime is 31423335331. The reversal of 31423335325 is 52353332413.

It is an interprime number because it is at equal distance from previous prime (31423335319) and next prime (31423335331).

It is not a de Polignac number, because 31423335325 - 2³¹ = 29275851677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12117229 + ... + 12119821.

Almost surely, 2^31423335325 is an apocalyptic number.

It is an amenable number.

31423335325 is a deficient number, since it is larger than the sum of its proper divisors (7690034275).

31423335325 is a wasteful number, since it uses less digits than its factorization.

31423335325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4261 (or 4256 counting only the distinct ones).

The product of its digits is 97200, while the sum is 34.

Adding to 31423335325 its reverse (52353332413), we get a palindrome (83776667738).

The spelling of 31423335325 in words is "thirty-one billion, four hundred twenty-three million, three hundred thirty-five thousand, three hundred twenty-five".