31342157463 has 4 divisors (see below), whose sum is σ = 41789543288. Its totient is φ = 20894771640.

The previous prime is 31342157443. The next prime is 31342157467. The reversal of 31342157463 is 36475124313.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 31342157463 - 2²² = 31337963159 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 (31342157467) 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 3 ways as a sum of consecutive naturals, for example, 5223692908 + ... + 5223692913.

It is an arithmetic number, because the mean of its divisors is an integer number (10447385822).

Almost surely, 2^31342157463 is an apocalyptic number.

31342157463 is a deficient number, since it is larger than the sum of its proper divisors (10447385825).

31342157463 is a wasteful number, since it uses less digits than its factorization.

31342157463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10447385824.

The product of its digits is 181440, while the sum is 39.

It can be divided in two parts, 31342 and 157463, that added together give a triangular number (188805 = T₆₁₄).

The spelling of 31342157463 in words is "thirty-one billion, three hundred forty-two million, one hundred fifty-seven thousand, four hundred sixty-three".