113221201431 has 16 divisors (see below), whose sum is σ = 163650690560. Its totient is φ = 69213160800.

The previous prime is 113221201417. The next prime is 113221201477. The reversal of 113221201431 is 134102122311.

It is not a de Polignac number, because 113221201431 - 2¹⁸ = 113220939287 is a prime.

It is a super-2 number, since 2×113221201431² (a number of 23 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 = 113221201398 and 113221201407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113221201481) 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, 9607051 + ... + 9618828.

It is an arithmetic number, because the mean of its divisors is an integer number (10228168160).

Almost surely, 2^113221201431 is an apocalyptic number.

113221201431 is a deficient number, since it is larger than the sum of its proper divisors (50429489129).

113221201431 is a wasteful number, since it uses less digits than its factorization.

113221201431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19226046.

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

Adding to 113221201431 its reverse (134102122311), we get a palindrome (247323323742).

The spelling of 113221201431 in words is "one hundred thirteen billion, two hundred twenty-one million, two hundred one thousand, four hundred thirty-one".