31534843326 has 32 divisors (see below), whose sum is σ = 72366835968. Its totient is φ = 8974056000.

The previous prime is 31534843313. The next prime is 31534843357. The reversal of 31534843326 is 62334843513.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

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, 1485135 + ... + 1506218.

It is an arithmetic number, because the mean of its divisors is an integer number (2261463624).

Almost surely, 2^31534843326 is an apocalyptic number.

31534843326 is an abundant number, since it is smaller than the sum of its proper divisors (40831992642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31534843326 is a wasteful number, since it uses less digits than its factorization.

31534843326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2991616.

The product of its digits is 622080, while the sum is 42.

The spelling of 31534843326 in words is "thirty-one billion, five hundred thirty-four million, eight hundred forty-three thousand, three hundred twenty-six".