11338621431 has 16 divisors (see below), whose sum is σ = 15951868800. Its totient is φ = 7144128288.

The previous prime is 11338621417. The next prime is 11338621433. The reversal of 11338621431 is 13412683311.

It is not a de Polignac number, because 11338621431 - 2¹³ = 11338613239 is a prime.

It is a super-2 number, since 2×11338621431² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11338621392 and 11338621401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11338621433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213496 + ... + 261261.

It is an arithmetic number, because the mean of its divisors is an integer number (996991800).

Almost surely, 2^11338621431 is an apocalyptic number.

11338621431 is a deficient number, since it is larger than the sum of its proper divisors (4613247369).

11338621431 is a wasteful number, since it uses less digits than its factorization.

11338621431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475198.

The product of its digits is 10368, while the sum is 33.

The spelling of 11338621431 in words is "eleven billion, three hundred thirty-eight million, six hundred twenty-one thousand, four hundred thirty-one".