31130555030 has 32 divisors (see below), whose sum is σ = 57767441760. Its totient is φ = 12071105280.

The previous prime is 31130555011. The next prime is 31130555051. The reversal of 31130555030 is 3055503113.

It is a super-2 number, since 2×31130555030² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 177440 + ... + 306179.

It is an arithmetic number, because the mean of its divisors is an integer number (1805232555).

Almost surely, 2^31130555030 is an apocalyptic number.

31130555030 is a deficient number, since it is larger than the sum of its proper divisors (26636886730).

31130555030 is a wasteful number, since it uses less digits than its factorization.

31130555030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483824.

The product of its (nonzero) digits is 3375, while the sum is 26.

The spelling of 31130555030 in words is "thirty-one billion, one hundred thirty million, five hundred fifty-five thousand, thirty".