313523222431 has 2 divisors, whose sum is σ = 313523222432. Its totient is φ = 313523222430.

The previous prime is 313523222423. The next prime is 313523222471. The reversal of 313523222431 is 134222325313.

It is a weak prime.

It is an emirp because it is prime and its reverse (134222325313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313523222431 - 2³ = 313523222423 is a prime.

It is a super-2 number, since 2×313523222431² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 313523222393 and 313523222402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313523222401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156761611215 + 156761611216.

It is an arithmetic number, because the mean of its divisors is an integer number (156761611216).

Almost surely, 2^313523222431 is an apocalyptic number.

313523222431 is a deficient number, since it is larger than the sum of its proper divisors (1).

313523222431 is an equidigital number, since it uses as much as digits as its factorization.

313523222431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 31.

Adding to 313523222431 its reverse (134222325313), we get a palindrome (447745547744).

The spelling of 313523222431 in words is "three hundred thirteen billion, five hundred twenty-three million, two hundred twenty-two thousand, four hundred thirty-one".