331121020134 has 16 divisors (see below), whose sum is σ = 662425682688. Its totient is φ = 110343066312.

The previous prime is 331121020133. The next prime is 331121020141. The reversal of 331121020134 is 431020121133.

It is a super-2 number, since 2×331121020134² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 331121020134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331121020133) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7628322 + ... + 7671605.

It is an arithmetic number, because the mean of its divisors is an integer number (41401605168).

Almost surely, 2^331121020134 is an apocalyptic number.

331121020134 is an abundant number, since it is smaller than the sum of its proper divisors (331304662554).

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

331121020134 is a wasteful number, since it uses less digits than its factorization.

331121020134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15303539.

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

Adding to 331121020134 its reverse (431020121133), we get a palindrome (762141141267).

The spelling of 331121020134 in words is "three hundred thirty-one billion, one hundred twenty-one million, twenty thousand, one hundred thirty-four".