31254044055061 has 4 divisors (see below), whose sum is σ = 31540778404300. Its totient is φ = 30967309705824.

The previous prime is 31254044055049. The next prime is 31254044055119. The reversal of 31254044055061 is 16055044045213.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20115171180036 + 11138872875025 = 4484994^2 + 3337495^2 .

It is a cyclic number.

It is not a de Polignac number, because 31254044055061 - 2⁵ = 31254044055029 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 (31254044055041) 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, 143367174456 + ... + 143367174673.

It is an arithmetic number, because the mean of its divisors is an integer number (7885194601075).

Almost surely, 2^{31254044055061} is an apocalyptic number.

It is an amenable number.

31254044055061 is a deficient number, since it is larger than the sum of its proper divisors (286734349239).

31254044055061 is a wasteful number, since it uses less digits than its factorization.

31254044055061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286734349238.

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 31254044055061 in words is "thirty-one trillion, two hundred fifty-four billion, forty-four million, fifty-five thousand, sixty-one".