31964898085 has 8 divisors (see below), whose sum is σ = 39680563320. Its totient is φ = 24690128064.

The previous prime is 31964898079. The next prime is 31964898109. The reversal of 31964898085 is 58089846913.

It can be written as a sum of positive squares in 4 ways, for example, as 3913002916 + 28051895169 = 62554^2 + 167487^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31964898085 - 2¹³ = 31964889893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110223642 + ... + 110223931.

It is an arithmetic number, because the mean of its divisors is an integer number (4960070415).

Almost surely, 2^31964898085 is an apocalyptic number.

It is an amenable number.

31964898085 is a deficient number, since it is larger than the sum of its proper divisors (7715665235).

31964898085 is a wasteful number, since it uses less digits than its factorization.

31964898085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220447607.

The product of its (nonzero) digits is 14929920, while the sum is 61.

The spelling of 31964898085 in words is "thirty-one billion, nine hundred sixty-four million, eight hundred ninety-eight thousand, eighty-five".