11231433031 has 96 divisors (see below), whose sum is σ = 15059677248. Its totient is φ = 8291082240.

The previous prime is 11231432983. The next prime is 11231433041. The reversal of 11231433031 is 13033413211.

It is not a de Polignac number, because 11231433031 - 2⁷ = 11231432903 is a prime.

It is a super-2 number, since 2×11231433031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11231432993 and 11231433011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231433041) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 81981195 + ... + 81981331.

It is an arithmetic number, because the mean of its divisors is an integer number (156871638).

Almost surely, 2^11231433031 is an apocalyptic number.

11231433031 is a deficient number, since it is larger than the sum of its proper divisors (3828244217).

11231433031 is a wasteful number, since it uses less digits than its factorization.

11231433031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 314 counting only the distinct ones).

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

Adding to 11231433031 its reverse (13033413211), we get a palindrome (24264846242).

The spelling of 11231433031 in words is "eleven billion, two hundred thirty-one million, four hundred thirty-three thousand, thirty-one".