31130403334 has 16 divisors (see below), whose sum is σ = 46894458816. Its totient is φ = 15499057600.

The previous prime is 31130403323. The next prime is 31130403347. The reversal of 31130403334 is 43330403113.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31130403299 and 31130403308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414444 + ... + 483760.

It is an arithmetic number, because the mean of its divisors is an integer number (2930903676).

Almost surely, 2^31130403334 is an apocalyptic number.

31130403334 is a deficient number, since it is larger than the sum of its proper divisors (15764055482).

31130403334 is a wasteful number, since it uses less digits than its factorization.

31130403334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70271.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 31130403334 its reverse (43330403113), we get a palindrome (74460806447).

The spelling of 31130403334 in words is "thirty-one billion, one hundred thirty million, four hundred three thousand, three hundred thirty-four".