31464352357 has 4 divisors (see below), whose sum is σ = 31488064576. Its totient is φ = 31440640140.

The previous prime is 31464352327. The next prime is 31464352373. The reversal of 31464352357 is 75325346413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75325346413 = 139 ⋅541908967.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31464352357 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 (31464352327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11854119 + ... + 11856772.

It is an arithmetic number, because the mean of its divisors is an integer number (7872016144).

Almost surely, 2^31464352357 is an apocalyptic number.

It is an amenable number.

31464352357 is a deficient number, since it is larger than the sum of its proper divisors (23712219).

31464352357 is a wasteful number, since it uses less digits than its factorization.

31464352357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23712218.

The product of its digits is 907200, while the sum is 43.

The spelling of 31464352357 in words is "thirty-one billion, four hundred sixty-four million, three hundred fifty-two thousand, three hundred fifty-seven".