313431100042 has 8 divisors (see below), whose sum is σ = 470149208100. Its totient is φ = 156714697344.

The previous prime is 313431100039. The next prime is 313431100051. The reversal of 313431100042 is 240001134313.

It can be written as a sum of positive squares in 2 ways, for example, as 260641901961 + 52789198081 = 510531^2 + 229759^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 313431099986 and 313431100022.

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, 243834 + ... + 828442.

Almost surely, 2^313431100042 is an apocalyptic number.

313431100042 is a deficient number, since it is larger than the sum of its proper divisors (156718108058).

313431100042 is a wasteful number, since it uses less digits than its factorization.

313431100042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852680.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 313431100042 its reverse (240001134313), we get a palindrome (553432234355).

The spelling of 313431100042 in words is "three hundred thirteen billion, four hundred thirty-one million, one hundred thousand, forty-two".