310131230220120 has 128 divisors (see below), whose sum is σ = 993840632303040. Its totient is φ = 77148035973120.

The previous prime is 310131230220101. The next prime is 310131230220121. The reversal of 310131230220120 is 21022032131013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310131230220121) 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 31 ways as a sum of consecutive naturals, for example, 672446971 + ... + 672908010.

Almost surely, 2^{310131230220120} is an apocalyptic number.

310131230220120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

310131230220120 is an abundant number, since it is smaller than the sum of its proper divisors (683709402082920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

310131230220120 is a wasteful number, since it uses less digits than its factorization.

310131230220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345355125 (or 1345355121 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 310131230220120 its reverse (21022032131013), we get a palindrome (331153262351133).

The spelling of 310131230220120 in words is "three hundred ten trillion, one hundred thirty-one billion, two hundred thirty million, two hundred twenty thousand, one hundred twenty".