113220213143431 has 4 divisors (see below), whose sum is σ = 113296250897200. Its totient is φ = 113144175389664.

The previous prime is 113220213143417. The next prime is 113220213143447. The reversal of 113220213143431 is 134341312022311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113220213143431 - 2⁹ = 113220213142919 is a prime.

It is a super-2 number, since 2×113220213143431² (a number of 29 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 = 113220213143393 and 113220213143402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113220214143431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38018874651 + ... + 38018877628.

It is an arithmetic number, because the mean of its divisors is an integer number (28324062724300).

Almost surely, 2^{113220213143431} is an apocalyptic number.

113220213143431 is a deficient number, since it is larger than the sum of its proper divisors (76037753769).

113220213143431 is an equidigital number, since it uses as much as digits as its factorization.

113220213143431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76037753768.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 113220213143431 its reverse (134341312022311), we get a palindrome (247561525165742).

The spelling of 113220213143431 in words is "one hundred thirteen trillion, two hundred twenty billion, two hundred thirteen million, one hundred forty-three thousand, four hundred thirty-one".