11101233431 has 16 divisors (see below), whose sum is σ = 11475910656. Its totient is φ = 10731960000.

The previous prime is 11101233371. The next prime is 11101233467. The reversal of 11101233431 is 13433210111.

It is a cyclic number.

It is not a de Polignac number, because 11101233431 - 2¹⁴ = 11101217047 is a prime.

It is a super-2 number, since 2×11101233431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101238431) 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, 2119586 + ... + 2124816.

It is an arithmetic number, because the mean of its divisors is an integer number (717244416).

Almost surely, 2^11101233431 is an apocalyptic number.

11101233431 is a deficient number, since it is larger than the sum of its proper divisors (374677225).

11101233431 is a wasteful number, since it uses less digits than its factorization.

11101233431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5734.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 11101233431 its reverse (13433210111), we get a palindrome (24534443542).

The spelling of 11101233431 in words is "eleven billion, one hundred one million, two hundred thirty-three thousand, four hundred thirty-one".