11120232031 has 6 divisors (see below), whose sum is σ = 11311908632. Its totient is φ = 10931750100.

The previous prime is 11120232023. The next prime is 11120232059. The reversal of 11120232031 is 13023202111.

It is not a de Polignac number, because 11120232031 - 2³ = 11120232023 is a prime.

It is a super-2 number, since 2×11120232031² (a number of 21 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 = 11120231996 and 11120232014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120232001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1593795 + ... + 1600756.

Almost surely, 2^11120232031 is an apocalyptic number.

11120232031 is a deficient number, since it is larger than the sum of its proper divisors (191676601).

11120232031 is an frugal number, since it uses more digits than its factorization.

11120232031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3194669 (or 3194610 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11120232031 its reverse (13023202111), we get a palindrome (24143434142).

The spelling of 11120232031 in words is "eleven billion, one hundred twenty million, two hundred thirty-two thousand, thirty-one".