331032213123 has 16 divisors (see below), whose sum is σ = 457827722880. Its totient is φ = 212603033664.

The previous prime is 331032213101. The next prime is 331032213131. The reversal of 331032213123 is 321312230133.

It is not a de Polignac number, because 331032213123 - 2¹⁰ = 331032212099 is a prime.

It is a super-2 number, since 2×331032213123² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331032213093 and 331032213102.

It is not an unprimeable number, because it can be changed into a prime (331032213133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17566893 + ... + 17585726.

It is an arithmetic number, because the mean of its divisors is an integer number (28614232680).

Almost surely, 2^331032213123 is an apocalyptic number.

331032213123 is a deficient number, since it is larger than the sum of its proper divisors (126795509757).

331032213123 is a wasteful number, since it uses less digits than its factorization.

331032213123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35152738.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 331032213123 its reverse (321312230133), we get a palindrome (652344443256).

The spelling of 331032213123 in words is "three hundred thirty-one billion, thirty-two million, two hundred thirteen thousand, one hundred twenty-three".