11320012013331 has 32 divisors (see below), whose sum is σ = 18181039887360. Its totient is φ = 6127683778944.

The previous prime is 11320012013329. The next prime is 11320012013333. The reversal of 11320012013331 is 13331021002311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11320012013329) and next prime (11320012013333).

It is not a de Polignac number, because 11320012013331 - 2¹ = 11320012013329 is a prime.

It is a super-2 number, since 2×11320012013331² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 11320012013298 and 11320012013307.

It is not an unprimeable number, because it can be changed into a prime (11320012013333) 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, 175324975 + ... + 175389528.

It is an arithmetic number, because the mean of its divisors is an integer number (568157496480).

Almost surely, 2^{11320012013331} is an apocalyptic number.

11320012013331 is a deficient number, since it is larger than the sum of its proper divisors (6861027874029).

11320012013331 is a wasteful number, since it uses less digits than its factorization.

11320012013331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350714595.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 11320012013331 its reverse (13331021002311), we get a palindrome (24651033015642).

The spelling of 11320012013331 in words is "eleven trillion, three hundred twenty billion, twelve million, thirteen thousand, three hundred thirty-one".