331123031130 has 64 divisors (see below), whose sum is σ = 812078991360. Its totient is φ = 86388611136.

The previous prime is 331123031123. The next prime is 331123031149. The reversal of 331123031130 is 31130321133.

It is a junction number, because it is equal to n+sod(n) for n = 331123031097 and 331123031106.

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 31 ways as a sum of consecutive naturals, for example, 389070 + ... + 902009.

It is an arithmetic number, because the mean of its divisors is an integer number (12688734240).

Almost surely, 2^331123031130 is an apocalyptic number.

331123031130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

331123031130 is an abundant number, since it is smaller than the sum of its proper divisors (480955960230).

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

331123031130 is a wasteful number, since it uses less digits than its factorization.

331123031130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291275.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 331123031130 its reverse (31130321133), we get a palindrome (362253352263).

The spelling of 331123031130 in words is "three hundred thirty-one billion, one hundred twenty-three million, thirty-one thousand, one hundred thirty".