31031479659142 has 8 divisors (see below), whose sum is σ = 47184852632616. Its totient is φ = 15303195448272.

The previous prime is 31031479659119. The next prime is 31031479659179. The reversal of 31031479659142 is 24195697413013.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 106272190468 + ... + 106272190759.

It is an arithmetic number, because the mean of its divisors is an integer number (5898106579077).

Almost surely, 2^{31031479659142} is an apocalyptic number.

31031479659142 is a deficient number, since it is larger than the sum of its proper divisors (16153372973474).

31031479659142 is a wasteful number, since it uses less digits than its factorization.

31031479659142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212544381302.

The product of its (nonzero) digits is 4898880, while the sum is 55.

The spelling of 31031479659142 in words is "thirty-one trillion, thirty-one billion, four hundred seventy-nine million, six hundred fifty-nine thousand, one hundred forty-two".