11331202330231 has 32 divisors (see below), whose sum is σ = 13888481495040. Its totient is φ = 9023341856256.

The previous prime is 11331202330211. The next prime is 11331202330267. The reversal of 11331202330231 is 13203320213311.

It is not a de Polignac number, because 11331202330231 - 2²³ = 11331193941623 is a prime.

It is a super-2 number, since 2×11331202330231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11331202330196 and 11331202330205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331202330211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41199136 + ... + 41473258.

It is an arithmetic number, because the mean of its divisors is an integer number (434015046720).

Almost surely, 2^{11331202330231} is an apocalyptic number.

11331202330231 is a deficient number, since it is larger than the sum of its proper divisors (2557279164809).

11331202330231 is a wasteful number, since it uses less digits than its factorization.

11331202330231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278623.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 11331202330231 its reverse (13203320213311), we get a palindrome (24534522543542).

The spelling of 11331202330231 in words is "eleven trillion, three hundred thirty-one billion, two hundred two million, three hundred thirty thousand, two hundred thirty-one".