31330543613423 has 4 divisors (see below), whose sum is σ = 31759729142448. Its totient is φ = 30901358084400.

The previous prime is 31330543613371. The next prime is 31330543613459. The reversal of 31330543613423 is 32431634503313.

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

It is a cyclic number.

It is not a de Polignac number, because 31330543613423 - 2¹⁰ = 31330543612399 is a prime.

It is a super-2 number, since 2×31330543613423² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31330543213423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214592764403 + ... + 214592764548.

It is an arithmetic number, because the mean of its divisors is an integer number (7939932285612).

Almost surely, 2^{31330543613423} is an apocalyptic number.

31330543613423 is a deficient number, since it is larger than the sum of its proper divisors (429185529025).

31330543613423 is an equidigital number, since it uses as much as digits as its factorization.

31330543613423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429185529024.

The product of its (nonzero) digits is 699840, while the sum is 41.

The spelling of 31330543613423 in words is "thirty-one trillion, three hundred thirty billion, five hundred forty-three million, six hundred thirteen thousand, four hundred twenty-three".