52124313431 has 4 divisors (see below), whose sum is σ = 54390587952. Its totient is φ = 49858038912.

The previous prime is 52124313341. The next prime is 52124313457. The reversal of 52124313431 is 13431342125.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52124313431 is a prime.

It is a super-2 number, since 2×52124313431² (a number of 22 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 = 52124313394 and 52124313403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52124313931) 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, 1133137226 + ... + 1133137271.

It is an arithmetic number, because the mean of its divisors is an integer number (13597646988).

Almost surely, 2^52124313431 is an apocalyptic number.

52124313431 is a deficient number, since it is larger than the sum of its proper divisors (2266274521).

52124313431 is a wasteful number, since it uses less digits than its factorization.

52124313431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266274520.

The product of its digits is 8640, while the sum is 29.

Adding to 52124313431 its reverse (13431342125), we get a palindrome (65555655556).

The spelling of 52124313431 in words is "fifty-two billion, one hundred twenty-four million, three hundred thirteen thousand, four hundred thirty-one".