3131043002 has 4 divisors (see below), whose sum is σ = 4696564506. Its totient is φ = 1565521500.

The previous prime is 3131042989. The next prime is 3131043011. The reversal of 3131043002 is 2003401313.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2163273121 + 967769881 = 46511^2 + 31109^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 782760749 + ... + 782760752.

Almost surely, 2^3131043002 is an apocalyptic number.

3131043002 is a deficient number, since it is larger than the sum of its proper divisors (1565521504).

3131043002 is a wasteful number, since it uses less digits than its factorization.

3131043002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565521503.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 3131043002 is about 55955.7235857066. The cubic root of 3131043002 is about 1462.9506540403.

Adding to 3131043002 its reverse (2003401313), we get a palindrome (5134444315).

The spelling of 3131043002 in words is "three billion, one hundred thirty-one million, forty-three thousand, two".