331368264136 has 128 divisors (see below), whose sum is σ = 799693171200. Its totient is φ = 125116231680.

The previous prime is 331368264119. The next prime is 331368264191. The reversal of 331368264136 is 631462863133.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7697520 + ... + 7740448.

It is an arithmetic number, because the mean of its divisors is an integer number (6247602900).

Almost surely, 2^331368264136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331368264136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (399846585600).

331368264136 is an abundant number, since it is smaller than the sum of its proper divisors (468324907064).

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

331368264136 is a wasteful number, since it uses less digits than its factorization.

331368264136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43439 (or 43435 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 46.

The spelling of 331368264136 in words is "three hundred thirty-one billion, three hundred sixty-eight million, two hundred sixty-four thousand, one hundred thirty-six".