331012434131220 has 48 divisors (see below), whose sum is σ = 927292060513728. Its totient is φ = 88226435297280.

The previous prime is 331012434131191. The next prime is 331012434131233. The reversal of 331012434131220 is 22131434210133.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1360725421 + ... + 1360968660.

It is an arithmetic number, because the mean of its divisors is an integer number (19318584594036).

Almost surely, 2^{331012434131220} is an apocalyptic number.

331012434131220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

331012434131220 is an abundant number, since it is smaller than the sum of its proper divisors (596279626382508).

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

331012434131220 is a wasteful number, since it uses less digits than its factorization.

331012434131220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2721696120 (or 2721696118 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 331012434131220 its reverse (22131434210133), we get a palindrome (353143868341353).

The spelling of 331012434131220 in words is "three hundred thirty-one trillion, twelve billion, four hundred thirty-four million, one hundred thirty-one thousand, two hundred twenty".