1322346531257 has 2 divisors, whose sum is σ = 1322346531258. Its totient is φ = 1322346531256.

The previous prime is 1322346531251. The next prime is 1322346531263. The reversal of 1322346531257 is 7521356432231.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1322346531251) and next prime (1322346531263).

It can be written as a sum of positive squares in only one way, i.e., 1085088888976 + 237257642281 = 1041676^2 + 487091^2 .

It is a cyclic number.

It is not a de Polignac number, because 1322346531257 - 2¹⁴ = 1322346514873 is a prime.

It is not a weakly prime, because it can be changed into another prime (1322346531251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661173265628 + 661173265629.

It is an arithmetic number, because the mean of its divisors is an integer number (661173265629).

Almost surely, 2^{1322346531257} is an apocalyptic number.

It is an amenable number.

1322346531257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322346531257 is an equidigital number, since it uses as much as digits as its factorization.

1322346531257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 907200, while the sum is 44.

The spelling of 1322346531257 in words is "one trillion, three hundred twenty-two billion, three hundred forty-six million, five hundred thirty-one thousand, two hundred fifty-seven".