313231401142 has 32 divisors (see below), whose sum is σ = 558142099200. Its totient is φ = 130233146400.

The previous prime is 313231401139. The next prime is 313231401167. The reversal of 313231401142 is 241104132313.

It is a super-2 number, since 2×313231401142² (a number of 24 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 12907834 + ... + 12932077.

It is an arithmetic number, because the mean of its divisors is an integer number (17441940600).

Almost surely, 2^313231401142 is an apocalyptic number.

313231401142 is a deficient number, since it is larger than the sum of its proper divisors (244910698058).

313231401142 is a wasteful number, since it uses less digits than its factorization.

313231401142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25839972.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 313231401142 its reverse (241104132313), we get a palindrome (554335533455).

The spelling of 313231401142 in words is "three hundred thirteen billion, two hundred thirty-one million, four hundred one thousand, one hundred forty-two".