31888429485 has 16 divisors (see below), whose sum is σ = 55659804480. Its totient is φ = 15461056640.

The previous prime is 31888429459. The next prime is 31888429523. The reversal of 31888429485 is 58492488813.

It is not a de Polignac number, because 31888429485 - 2⁵ = 31888429453 is a prime.

It is a congruent number.

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, 96631440 + ... + 96631769.

It is an arithmetic number, because the mean of its divisors is an integer number (3478737780).

Almost surely, 2^31888429485 is an apocalyptic number.

It is an amenable number.

31888429485 is a deficient number, since it is larger than the sum of its proper divisors (23771374995).

31888429485 is a wasteful number, since it uses less digits than its factorization.

31888429485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193263228.

The product of its digits is 17694720, while the sum is 60.

The spelling of 31888429485 in words is "thirty-one billion, eight hundred eighty-eight million, four hundred twenty-nine thousand, four hundred eighty-five".