331378873133 has 24 divisors (see below), whose sum is σ = 417326574336. Its totient is φ = 257566620960.

The previous prime is 331378873109. The next prime is 331378873141.

331378873133 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 331378873133 - 2¹⁶ = 331378807597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331378873193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156485 + ... + 829002.

It is an arithmetic number, because the mean of its divisors is an integer number (17388607264).

Almost surely, 2^331378873133 is an apocalyptic number.

It is an amenable number.

331378873133 is a deficient number, since it is larger than the sum of its proper divisors (85947701203).

331378873133 is a wasteful number, since it uses less digits than its factorization.

331378873133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985913 (or 985902 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 50.

The spelling of 331378873133 in words is "three hundred thirty-one billion, three hundred seventy-eight million, eight hundred seventy-three thousand, one hundred thirty-three".