331364342138 has 16 divisors (see below), whose sum is σ = 505826501760. Its totient is φ = 162759458016.

The previous prime is 331364342131. The next prime is 331364342167. The reversal of 331364342138 is 831243463133.

It is a super-5 number, since 5×331364342138⁵ (a number of 59 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 331364342095 and 331364342104.

It is not an unprimeable number, because it can be changed into a prime (331364342131) 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, 818795 + ... + 1154622.

It is an arithmetic number, because the mean of its divisors is an integer number (31614156360).

Almost surely, 2^331364342138 is an apocalyptic number.

331364342138 is a deficient number, since it is larger than the sum of its proper divisors (174462159622).

331364342138 is a wasteful number, since it uses less digits than its factorization.

331364342138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974901.

The product of its digits is 373248, while the sum is 41.

The spelling of 331364342138 in words is "three hundred thirty-one billion, three hundred sixty-four million, three hundred forty-two thousand, one hundred thirty-eight".