31397404303 has 8 divisors (see below), whose sum is σ = 31593074688. Its totient is φ = 31201825464.

The previous prime is 31397404279. The next prime is 31397404321. The reversal of 31397404303 is 30340479313.

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

It is a cyclic number.

It is not a de Polignac number, because 31397404303 - 2¹⁷ = 31397273231 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 (31397407303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 744850 + ... + 785872.

It is an arithmetic number, because the mean of its divisors is an integer number (3949134336).

Almost surely, 2^31397404303 is an apocalyptic number.

31397404303 is a deficient number, since it is larger than the sum of its proper divisors (195670385).

31397404303 is a wasteful number, since it uses less digits than its factorization.

31397404303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45773.

The product of its (nonzero) digits is 81648, while the sum is 37.

The spelling of 31397404303 in words is "thirty-one billion, three hundred ninety-seven million, four hundred four thousand, three hundred three".