31042477424013 has 16 divisors (see below), whose sum is σ = 45153365117952. Its totient is φ = 18813343230000.

The previous prime is 31042477424011. The next prime is 31042477424053.

It is a happy number.

31042477424013 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31042477424013 - 2¹ = 31042477424011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31042477424011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4719973 + ... + 9184938.

It is an arithmetic number, because the mean of its divisors is an integer number (2822085319872).

Almost surely, 2^{31042477424013} is an apocalyptic number.

31042477424013 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

31042477424013 is a deficient number, since it is larger than the sum of its proper divisors (14110887693939).

31042477424013 is a wasteful number, since it uses less digits than its factorization.

31042477424013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13972576.

The product of its (nonzero) digits is 451584, while the sum is 42.

The spelling of 31042477424013 in words is "thirty-one trillion, forty-two billion, four hundred seventy-seven million, four hundred twenty-four thousand, thirteen".