11312042044031 has 4 divisors (see below), whose sum is σ = 11353783896864. Its totient is φ = 11270300191200.

The previous prime is 11312042044013. The next prime is 11312042044091. The reversal of 11312042044031 is 13044024021311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11312042044031 is a prime.

It is a super-2 number, since 2×11312042044031² (a number of 27 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 (11312042044091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20870926010 + ... + 20870926551.

It is an arithmetic number, because the mean of its divisors is an integer number (2838445974216).

Almost surely, 2^{11312042044031} is an apocalyptic number.

11312042044031 is a deficient number, since it is larger than the sum of its proper divisors (41741852833).

11312042044031 is an equidigital number, since it uses as much as digits as its factorization.

11312042044031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41741852832.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 11312042044031 its reverse (13044024021311), we get a palindrome (24356066065342).

The spelling of 11312042044031 in words is "eleven trillion, three hundred twelve billion, forty-two million, forty-four thousand, thirty-one".