11231002331320 has 64 divisors (see below), whose sum is σ = 26756659238400. Its totient is φ = 4228071290880.

The previous prime is 11231002331291. The next prime is 11231002331323. The reversal of 11231002331320 is 2313320013211.

It is a super-2 number, since 2×11231002331320² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11231002331291 and 11231002331300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231002331323) 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, 59309590 + ... + 59498650.

It is an arithmetic number, because the mean of its divisors is an integer number (418072800600).

Almost surely, 2^{11231002331320} is an apocalyptic number.

11231002331320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11231002331320 is an abundant number, since it is smaller than the sum of its proper divisors (15525656907080).

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

11231002331320 is a wasteful number, since it uses less digits than its factorization.

11231002331320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276448 (or 276444 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 11231002331320 its reverse (2313320013211), we get a palindrome (13544322344531).

The spelling of 11231002331320 in words is "eleven trillion, two hundred thirty-one billion, two million, three hundred thirty-one thousand, three hundred twenty".