321054134431 has 2 divisors, whose sum is σ = 321054134432. Its totient is φ = 321054134430.

The previous prime is 321054134377. The next prime is 321054134447. The reversal of 321054134431 is 134431450123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321054134431 - 2¹⁷ = 321054003359 is a prime.

It is a super-2 number, since 2×321054134431² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321054134393 and 321054134402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321054135431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160527067215 + 160527067216.

It is an arithmetic number, because the mean of its divisors is an integer number (160527067216).

Almost surely, 2^321054134431 is an apocalyptic number.

321054134431 is a deficient number, since it is larger than the sum of its proper divisors (1).

321054134431 is an equidigital number, since it uses as much as digits as its factorization.

321054134431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 321054134431 its reverse (134431450123), we get a palindrome (455485584554).

The spelling of 321054134431 in words is "three hundred twenty-one billion, fifty-four million, one hundred thirty-four thousand, four hundred thirty-one".