11040313431 has 24 divisors (see below), whose sum is σ = 17179599360. Its totient is φ = 6288175152.

The previous prime is 11040313423. The next prime is 11040313439. The reversal of 11040313431 is 13431304011.

It is an interprime number because it is at equal distance from previous prime (11040313423) and next prime (11040313439).

It is not a de Polignac number, because 11040313431 - 2³ = 11040313423 is a prime.

It is a super-2 number, since 2×11040313431² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 11040313398 and 11040313407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11040313439) 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, 77191 + ... + 167448.

It is an arithmetic number, because the mean of its divisors is an integer number (715816640).

Almost surely, 2^11040313431 is an apocalyptic number.

11040313431 is a deficient number, since it is larger than the sum of its proper divisors (6139285929).

11040313431 is a wasteful number, since it uses less digits than its factorization.

11040313431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244963 (or 244956 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 11040313431 its reverse (13431304011), we get a palindrome (24471617442).

The spelling of 11040313431 in words is "eleven billion, forty million, three hundred thirteen thousand, four hundred thirty-one".