431341311023 has 4 divisors (see below), whose sum is σ = 492961498320. Its totient is φ = 369721123728.

The previous prime is 431341310993. The next prime is 431341311047. The reversal of 431341311023 is 320113143134.

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 431341311023 - 2¹² = 431341306927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431341310983 and 431341311001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431341314023) 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, 30810093638 + ... + 30810093651.

It is an arithmetic number, because the mean of its divisors is an integer number (123240374580).

Almost surely, 2^431341311023 is an apocalyptic number.

431341311023 is a deficient number, since it is larger than the sum of its proper divisors (61620187297).

431341311023 is an equidigital number, since it uses as much as digits as its factorization.

431341311023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61620187296.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 431341311023 its reverse (320113143134), we get a palindrome (751454454157).

The spelling of 431341311023 in words is "four hundred thirty-one billion, three hundred forty-one million, three hundred eleven thousand, twenty-three".