31242844054 has 4 divisors (see below), whose sum is σ = 46864266084. Its totient is φ = 15621422026.

The previous prime is 31242844043. The next prime is 31242844057. The reversal of 31242844054 is 45044824213.

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

It is a super-2 number, since 2×31242844054² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31242844057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7810711012 + ... + 7810711015.

It is an arithmetic number, because the mean of its divisors is an integer number (11716066521).

Almost surely, 2^31242844054 is an apocalyptic number.

31242844054 is a deficient number, since it is larger than the sum of its proper divisors (15621422030).

31242844054 is a wasteful number, since it uses less digits than its factorization.

31242844054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15621422029.

The product of its (nonzero) digits is 122880, while the sum is 37.

The spelling of 31242844054 in words is "thirty-one billion, two hundred forty-two million, eight hundred forty-four thousand, fifty-four".