113234421431 has 2 divisors, whose sum is σ = 113234421432. Its totient is φ = 113234421430.

The previous prime is 113234421413. The next prime is 113234421449. The reversal of 113234421431 is 134124432311.

Together with previous prime (113234421413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (113234421413) and next prime (113234421449).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113234421431 is a prime.

It is a super-2 number, since 2×113234421431² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113234421394 and 113234421403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113234421631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56617210715 + 56617210716.

It is an arithmetic number, because the mean of its divisors is an integer number (56617210716).

Almost surely, 2^113234421431 is an apocalyptic number.

113234421431 is a deficient number, since it is larger than the sum of its proper divisors (1).

113234421431 is an equidigital number, since it uses as much as digits as its factorization.

113234421431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 29.

Adding to 113234421431 its reverse (134124432311), we get a palindrome (247358853742).

The spelling of 113234421431 in words is "one hundred thirteen billion, two hundred thirty-four million, four hundred twenty-one thousand, four hundred thirty-one".