31040266426 has 16 divisors (see below), whose sum is σ = 50350036968. Its totient is φ = 14266828800.

The previous prime is 31040266409. The next prime is 31040266451. The reversal of 31040266426 is 62466204013.

It can be written as a sum of positive squares in 4 ways, for example, as 30798495025 + 241771401 = 175495^2 + 15549^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31040266391 and 31040266400.

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 in 7 ways as a sum of consecutive naturals, for example, 2470615 + ... + 2483146.

Almost surely, 2^31040266426 is an apocalyptic number.

31040266426 is a deficient number, since it is larger than the sum of its proper divisors (19309770542).

31040266426 is a wasteful number, since it uses less digits than its factorization.

31040266426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4954017.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 31040266426 in words is "thirty-one billion, forty million, two hundred sixty-six thousand, four hundred twenty-six".