31261326054 has 24 divisors (see below), whose sum is σ = 72730432728. Its totient is φ = 8931807360.

The previous prime is 31261326053. The next prime is 31261326067. The reversal of 31261326054 is 45062316213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31261326053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53165227 + ... + 53165814.

It is an arithmetic number, because the mean of its divisors is an integer number (3030434697).

Almost surely, 2^31261326054 is an apocalyptic number.

31261326054 is an abundant number, since it is smaller than the sum of its proper divisors (41469106674).

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

31261326054 is a wasteful number, since it uses less digits than its factorization.

31261326054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106331060 (or 106331053 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 31261326054 in words is "thirty-one billion, two hundred sixty-one million, three hundred twenty-six thousand, fifty-four".