31371378054 has 16 divisors (see below), whose sum is σ = 62746070592. Its totient is φ = 10456573608.

The previous prime is 31371378037. The next prime is 31371378061. The reversal of 31371378054 is 45087317313.

It is a super-2 number, since 2×31371378054² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31371377997 and 31371378015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5224 + ... + 250539.

It is an arithmetic number, because the mean of its divisors is an integer number (3921629412).

Almost surely, 2^31371378054 is an apocalyptic number.

31371378054 is an abundant number, since it is smaller than the sum of its proper divisors (31374692538).

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

31371378054 is a wasteful number, since it uses less digits than its factorization.

31371378054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276211.

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 31371378054 in words is "thirty-one billion, three hundred seventy-one million, three hundred seventy-eight thousand, fifty-four".