1353215431 has 2 divisors, whose sum is σ = 1353215432. Its totient is φ = 1353215430.

The previous prime is 1353215387. The next prime is 1353215443. The reversal of 1353215431 is 1345123531.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1353215431 - 2¹³ = 1353207239 is a prime.

It is a super-2 number, since 2×1353215431² = 3662384005393031522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1353215431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1353215491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676607715 + 676607716.

It is an arithmetic number, because the mean of its divisors is an integer number (676607716).

Almost surely, 2^1353215431 is an apocalyptic number.

1353215431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1353215431 is an equidigital number, since it uses as much as digits as its factorization.

1353215431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 28.

The square root of 1353215431 is about 36786.0765915584. The cubic root of 1353215431 is about 1106.0862167605.

Adding to 1353215431 its reverse (1345123531), we get a palindrome (2698338962).

The spelling of 1353215431 in words is "one billion, three hundred fifty-three million, two hundred fifteen thousand, four hundred thirty-one".