1322513131 has 2 divisors, whose sum is σ = 1322513132. Its totient is φ = 1322513130.

The previous prime is 1322513083. The next prime is 1322513161. The reversal of 1322513131 is 1313152231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1322513131 - 2¹⁵ = 1322480363 is a prime.

It is a super-2 number, since 2×1322513131² = 3498081963334846322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1322513161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661256565 + 661256566.

It is an arithmetic number, because the mean of its divisors is an integer number (661256566).

Almost surely, 2^1322513131 is an apocalyptic number.

1322513131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322513131 is an equidigital number, since it uses as much as digits as its factorization.

1322513131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 540, while the sum is 22.

The square root of 1322513131 is about 36366.3736300446. The cubic root of 1322513131 is about 1097.6570326515.

Adding to 1322513131 its reverse (1313152231), we get a palindrome (2635665362).

The spelling of 1322513131 in words is "one billion, three hundred twenty-two million, five hundred thirteen thousand, one hundred thirty-one".