31310574649 has 8 divisors (see below), whose sum is σ = 32034626240. Its totient is φ = 30593322000.

The previous prime is 31310574599. The next prime is 31310574661. The reversal of 31310574649 is 94647501313.

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 31310574649 - 2¹³ = 31310566457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31310574689) 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, 1690419 + ... + 1708840.

It is an arithmetic number, because the mean of its divisors is an integer number (4004328280).

Almost surely, 2^31310574649 is an apocalyptic number.

It is an amenable number.

31310574649 is a deficient number, since it is larger than the sum of its proper divisors (724051591).

31310574649 is a wasteful number, since it uses less digits than its factorization.

31310574649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3399471.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 31310574649 in words is "thirty-one billion, three hundred ten million, five hundred seventy-four thousand, six hundred forty-nine".