31004233130 has 32 divisors (see below), whose sum is σ = 60775822800. Its totient is φ = 11319086592.

The previous prime is 31004233067. The next prime is 31004233133. The reversal of 31004233130 is 3133240013.

It can be written as a sum of positive squares in 8 ways, for example, as 8413842529 + 22590390601 = 91727^2 + 150301^2 .

It is a super-2 number, since 2×31004233130² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31004233133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1328285 + ... + 1351424.

Almost surely, 2^31004233130 is an apocalyptic number.

31004233130 is a deficient number, since it is larger than the sum of its proper divisors (29771589670).

31004233130 is a wasteful number, since it uses less digits than its factorization.

31004233130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2679818.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 31004233130 its reverse (3133240013), we get a palindrome (34137473143).

The spelling of 31004233130 in words is "thirty-one billion, four million, two hundred thirty-three thousand, one hundred thirty".