11312401431 has 8 divisors (see below), whose sum is σ = 15877054720. Its totient is φ = 7144674552.

The previous prime is 11312401427. The next prime is 11312401433. The reversal of 11312401431 is 13410421311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11312401431 - 2² = 11312401427 is a prime.

It is a super-2 number, since 2×11312401431² (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 = 11312401398 and 11312401407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312401433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99231535 + ... + 99231648.

It is an arithmetic number, because the mean of its divisors is an integer number (1984631840).

Almost surely, 2^11312401431 is an apocalyptic number.

11312401431 is a deficient number, since it is larger than the sum of its proper divisors (4564653289).

11312401431 is a wasteful number, since it uses less digits than its factorization.

11312401431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198463205.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11312401431 its reverse (13410421311), we get a palindrome (24722822742).

The spelling of 11312401431 in words is "eleven billion, three hundred twelve million, four hundred one thousand, four hundred thirty-one".