31337990423 has 8 divisors (see below), whose sum is σ = 32995488000. Its totient is φ = 29681305848.

The previous prime is 31337990393. The next prime is 31337990447. The reversal of 31337990423 is 32409973313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31337990423 - 2¹⁶ = 31337924887 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 (31337990483) 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, 123311 + ... + 279072.

It is an arithmetic number, because the mean of its divisors is an integer number (4124436000).

Almost surely, 2^31337990423 is an apocalyptic number.

31337990423 is a deficient number, since it is larger than the sum of its proper divisors (1657497577).

31337990423 is a wasteful number, since it uses less digits than its factorization.

31337990423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406501.

The product of its (nonzero) digits is 367416, while the sum is 44.

The spelling of 31337990423 in words is "thirty-one billion, three hundred thirty-seven million, nine hundred ninety thousand, four hundred twenty-three".