331213223313 has 48 divisors (see below), whose sum is σ = 578023776000. Its totient is φ = 186868884384.

The previous prime is 331213223273. The next prime is 331213223317. The reversal of 331213223313 is 313322312133.

331213223313 is a `hidden beast` number, since 3 + 3 + 1 + 2 + 1 + 322 + 331 + 3 = 666.

It is not a de Polignac number, because 331213223313 - 2⁸ = 331213223057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (331213223317) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1479978 + ... + 1689011.

It is an arithmetic number, because the mean of its divisors is an integer number (12042162000).

Almost surely, 2^331213223313 is an apocalyptic number.

It is an amenable number.

331213223313 is a deficient number, since it is larger than the sum of its proper divisors (246810552687).

331213223313 is a wasteful number, since it uses less digits than its factorization.

331213223313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3169091 (or 3169078 counting only the distinct ones).

The product of its digits is 5832, while the sum is 27.

Adding to 331213223313 its reverse (313322312133), we get a palindrome (644535535446).

The spelling of 331213223313 in words is "three hundred thirty-one billion, two hundred thirteen million, two hundred twenty-three thousand, three hundred thirteen".