11401200031 has 8 divisors (see below), whose sum is σ = 12279751344. Its totient is φ = 10522868160.

The previous prime is 11401200023. The next prime is 11401200043. The reversal of 11401200031 is 13000210411.

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

It is a cyclic number.

It is not a de Polignac number, because 11401200031 - 2³ = 11401200023 is a prime.

It is a super-2 number, since 2×11401200031² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11401199984 and 11401200020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11401200931) 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, 62340 + ... + 163366.

It is an arithmetic number, because the mean of its divisors is an integer number (1534968918).

Almost surely, 2^11401200031 is an apocalyptic number.

11401200031 is a deficient number, since it is larger than the sum of its proper divisors (878551313).

11401200031 is a wasteful number, since it uses less digits than its factorization.

11401200031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109721.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11401200031 its reverse (13000210411), we get a palindrome (24401410442).

The spelling of 11401200031 in words is "eleven billion, four hundred one million, two hundred thousand, thirty-one".