3131313142 has 8 divisors (see below), whose sum is σ = 4763124432. Its totient is φ = 1543605000.

The previous prime is 3131313121. The next prime is 3131313169. The reversal of 3131313142 is 2413131313.

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11025609 + ... + 11025892.

It is an arithmetic number, because the mean of its divisors is an integer number (595390554).

Almost surely, 2^3131313142 is an apocalyptic number.

3131313142 is a deficient number, since it is larger than the sum of its proper divisors (1631811290).

3131313142 is a wasteful number, since it uses less digits than its factorization.

3131313142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22051574.

The product of its digits is 648, while the sum is 22.

The square root of 3131313142 is about 55958.1374064577. The cubic root of 3131313142 is about 1462.9927262959.

Adding to 3131313142 its reverse (2413131313), we get a palindrome (5544444455).

The spelling of 3131313142 in words is "three billion, one hundred thirty-one million, three hundred thirteen thousand, one hundred forty-two".