1351164431 has 2 divisors, whose sum is σ = 1351164432. Its totient is φ = 1351164430.

The previous prime is 1351164421. The next prime is 1351164443. The reversal of 1351164431 is 1344611531.

It is a weak prime.

It is an emirp because it is prime and its reverse (1344611531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1351164431 is a prime.

It is a super-2 number, since 2×1351164431² = 3651290639199107522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1351164394 and 1351164403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1351164401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675582215 + 675582216.

It is an arithmetic number, because the mean of its divisors is an integer number (675582216).

Almost surely, 2^1351164431 is an apocalyptic number.

1351164431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351164431 is an equidigital number, since it uses as much as digits as its factorization.

1351164431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 29.

The square root of 1351164431 is about 36758.1886251213. The cubic root of 1351164431 is about 1105.5271212733.

Adding to 1351164431 its reverse (1344611531), we get a palindrome (2695775962).

The spelling of 1351164431 in words is "one billion, three hundred fifty-one million, one hundred sixty-four thousand, four hundred thirty-one".