31464240647 has 8 divisors (see below), whose sum is σ = 35963998752. Its totient is φ = 26965699200.

The previous prime is 31464240637. The next prime is 31464240677. The reversal of 31464240647 is 74604246413.

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 31464240647 - 2⁸ = 31464240391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31464240637) 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, 248054 + ... + 352787.

It is an arithmetic number, because the mean of its divisors is an integer number (4495499844).

Almost surely, 2^31464240647 is an apocalyptic number.

31464240647 is a deficient number, since it is larger than the sum of its proper divisors (4499758105).

31464240647 is an equidigital number, since it uses as much as digits as its factorization.

31464240647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608329.

The product of its (nonzero) digits is 387072, while the sum is 41.

The spelling of 31464240647 in words is "thirty-one billion, four hundred sixty-four million, two hundred forty thousand, six hundred forty-seven".