3131042342 has 16 divisors (see below), whose sum is σ = 4825575312. Its totient is φ = 1522553760.

The previous prime is 3131042329. The next prime is 3131042347. The reversal of 3131042342 is 2432401313.

It is a super-2 number, since 2×3131042342² = 19606852294793689928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131042347) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 194348 + ... + 209840.

It is an arithmetic number, because the mean of its divisors is an integer number (301598457).

Almost surely, 2^3131042342 is an apocalyptic number.

3131042342 is a deficient number, since it is larger than the sum of its proper divisors (1694532970).

3131042342 is a wasteful number, since it uses less digits than its factorization.

3131042342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18263.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 3131042342 is about 55955.7176881863. The cubic root of 3131042342 is about 1462.9505512474.

Adding to 3131042342 its reverse (2432401313), we get a palindrome (5563443655).

The spelling of 3131042342 in words is "three billion, one hundred thirty-one million, forty-two thousand, three hundred forty-two".