31446266402 has 12 divisors (see below), whose sum is σ = 49309411830. Its totient is φ = 15039518208.

The previous prime is 31446266389. The next prime is 31446266479. The reversal of 31446266402 is 20466264413.

It can be written as a sum of positive squares in only one way, i.e., 20909449201 + 10536817201 = 144601^2 + 102649^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14860127 + ... + 14862242.

Almost surely, 2^31446266402 is an apocalyptic number.

31446266402 is a deficient number, since it is larger than the sum of its proper divisors (17863145428).

31446266402 is a wasteful number, since it uses less digits than its factorization.

31446266402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29722417 (or 29722394 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 31446266402 in words is "thirty-one billion, four hundred forty-six million, two hundred sixty-six thousand, four hundred two".