11401430031 has 12 divisors (see below), whose sum is σ = 16554065008. Its totient is φ = 7561569024.

The previous prime is 11401430017. The next prime is 11401430039. The reversal of 11401430031 is 13003410411.

It is not a de Polignac number, because 11401430031 - 2¹⁵ = 11401397263 is a prime.

It is a super-2 number, since 2×11401430031² (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 = 11401429986 and 11401430013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11401430039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3280195 + ... + 3283668.

Almost surely, 2^11401430031 is an apocalyptic number.

11401430031 is a deficient number, since it is larger than the sum of its proper divisors (5152634977).

11401430031 is a wasteful number, since it uses less digits than its factorization.

11401430031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6564062 (or 6564059 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11401430031 its reverse (13003410411), we get a palindrome (24404840442).

The spelling of 11401430031 in words is "eleven billion, four hundred one million, four hundred thirty thousand, thirty-one".