11330535231 has 24 divisors (see below), whose sum is σ = 17018869504. Its totient is φ = 7533048600.

The previous prime is 11330535211. The next prime is 11330535239. The reversal of 11330535231 is 13253503311.

11330535231 is a `hidden beast` number, since 1 + 1 + 3 + 305 + 352 + 3 + 1 = 666.

It is not a de Polignac number, because 11330535231 - 2¹⁴ = 11330518847 is a prime.

It is a super-2 number, since 2×11330535231² (a number of 21 digits) contains 22 as substring.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11330535195 and 11330535204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11330535239) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25656 + ... + 152706.

Almost surely, 2^11330535231 is an apocalyptic number.

11330535231 is a deficient number, since it is larger than the sum of its proper divisors (5688334273).

11330535231 is an equidigital number, since it uses as much as digits as its factorization.

11330535231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127433 (or 127421 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 27.

The spelling of 11330535231 in words is "eleven billion, three hundred thirty million, five hundred thirty-five thousand, two hundred thirty-one".