31354252156423 has 16 divisors (see below), whose sum is σ = 36597978362880. Its totient is φ = 26301729466656.

The previous prime is 31354252156399. The next prime is 31354252156483. The reversal of 31354252156423 is 32465125245313.

It is not a de Polignac number, because 31354252156423 - 2¹³ = 31354252148231 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 (31354252156483) 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 15 ways as a sum of consecutive naturals, for example, 2889873 + ... + 8429701.

It is an arithmetic number, because the mean of its divisors is an integer number (2287373647680).

Almost surely, 2^{31354252156423} is an apocalyptic number.

31354252156423 is a deficient number, since it is larger than the sum of its proper divisors (5243726206457).

31354252156423 is a wasteful number, since it uses less digits than its factorization.

31354252156423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5557086.

The product of its digits is 2592000, while the sum is 46.

The spelling of 31354252156423 in words is "thirty-one trillion, three hundred fifty-four billion, two hundred fifty-two million, one hundred fifty-six thousand, four hundred twenty-three".