31339142258 has 8 divisors (see below), whose sum is σ = 47010128220. Its totient is φ = 15669099520.

The previous prime is 31339142249. The next prime is 31339142281. The reversal of 31339142258 is 85224193313.

It can be written as a sum of positive squares in 2 ways, for example, as 27747896929 + 3591245329 = 166577^2 + 59927^2 .

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

It is a super-2 number, since 2×31339142258² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145883 + ... + 289758.

Almost surely, 2^31339142258 is an apocalyptic number.

31339142258 is a deficient number, since it is larger than the sum of its proper divisors (15670985962).

31339142258 is a wasteful number, since it uses less digits than its factorization.

31339142258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471612.

The product of its digits is 155520, while the sum is 41.

The spelling of 31339142258 in words is "thirty-one billion, three hundred thirty-nine million, one hundred forty-two thousand, two hundred fifty-eight".