331431234121002 has 16 divisors (see below), whose sum is σ = 662863737929760. Its totient is φ = 110476866425712.

The previous prime is 331431234120881. The next prime is 331431234121007. The reversal of 331431234121002 is 200121432134133.

It is not an unprimeable number, because it can be changed into a prime (331431234121007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49493308 + ... + 55789335.

It is an arithmetic number, because the mean of its divisors is an integer number (41428983620610).

Almost surely, 2^{331431234121002} is an apocalyptic number.

331431234121002 is an abundant number, since it is smaller than the sum of its proper divisors (331432503808758).

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

331431234121002 is a wasteful number, since it uses less digits than its factorization.

331431234121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105807317.

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

Adding to 331431234121002 its reverse (200121432134133), we get a palindrome (531552666255135).

The spelling of 331431234121002 in words is "three hundred thirty-one trillion, four hundred thirty-one billion, two hundred thirty-four million, one hundred twenty-one thousand, two".