31375077546 has 16 divisors (see below), whose sum is σ = 62766262944. Its totient is φ = 10455674544.

The previous prime is 31375077533. The next prime is 31375077557. The reversal of 31375077546 is 64577057313.

It is a junction number, because it is equal to n+sod(n) for n = 31375077495 and 31375077504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 645765 + ... + 692648.

It is an arithmetic number, because the mean of its divisors is an integer number (3922891434).

Almost surely, 2^31375077546 is an apocalyptic number.

31375077546 is an abundant number, since it is smaller than the sum of its proper divisors (31391185398).

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

31375077546 is a wasteful number, since it uses less digits than its factorization.

31375077546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342325.

The product of its (nonzero) digits is 1852200, while the sum is 48.

The spelling of 31375077546 in words is "thirty-one billion, three hundred seventy-five million, seventy-seven thousand, five hundred forty-six".