31023490466 has 4 divisors (see below), whose sum is σ = 46535235702. Its totient is φ = 15511745232.

The previous prime is 31023490439. The next prime is 31023490501. The reversal of 31023490466 is 66409432013.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66409432013 = 151 ⋅439797563.

It can be written as a sum of positive squares in only one way, i.e., 30442921441 + 580569025 = 174479^2 + 24095^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7755872615 + ... + 7755872618.

Almost surely, 2^31023490466 is an apocalyptic number.

31023490466 is a deficient number, since it is larger than the sum of its proper divisors (15511745236).

31023490466 is a wasteful number, since it uses less digits than its factorization.

31023490466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15511745235.

The product of its (nonzero) digits is 93312, while the sum is 38.

The spelling of 31023490466 in words is "thirty-one billion, twenty-three million, four hundred ninety thousand, four hundred sixty-six".