31687052323 has 8 divisors (see below), whose sum is σ = 31953600000. Its totient is φ = 31420771200.

The previous prime is 31687052269. The next prime is 31687052329. The reversal of 31687052323 is 32325078613.

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 31687052323 - 2¹³ = 31687044131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31687052329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175803 + ... + 307051.

It is an arithmetic number, because the mean of its divisors is an integer number (3994200000).

Almost surely, 2^31687052323 is an apocalyptic number.

31687052323 is a deficient number, since it is larger than the sum of its proper divisors (266547677).

31687052323 is a wasteful number, since it uses less digits than its factorization.

31687052323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133277.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 31687052323 in words is "thirty-one billion, six hundred eighty-seven million, fifty-two thousand, three hundred twenty-three".