31347750423 has 16 divisors (see below), whose sum is σ = 48278889216. Its totient is φ = 17881069440.

The previous prime is 31347750391. The next prime is 31347750443. The reversal of 31347750423 is 32405774313.

It is not a de Polignac number, because 31347750423 - 2⁵ = 31347750391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31347750443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27938611 + ... + 27939732.

It is an arithmetic number, because the mean of its divisors is an integer number (3017430576).

Almost surely, 2^31347750423 is an apocalyptic number.

31347750423 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

31347750423 is a deficient number, since it is larger than the sum of its proper divisors (16931138793).

31347750423 is a wasteful number, since it uses less digits than its factorization.

31347750423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55878374.

The product of its (nonzero) digits is 211680, while the sum is 39.

The spelling of 31347750423 in words is "thirty-one billion, three hundred forty-seven million, seven hundred fifty thousand, four hundred twenty-three".