1363125431 has 2 divisors, whose sum is σ = 1363125432. Its totient is φ = 1363125430.

The previous prime is 1363125427. The next prime is 1363125451. The reversal of 1363125431 is 1345213631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1363125431 - 2² = 1363125427 is a prime.

It is a super-2 number, since 2×1363125431² = 3716221881277871522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1363125394 and 1363125403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1363125451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 681562715 + 681562716.

It is an arithmetic number, because the mean of its divisors is an integer number (681562716).

Almost surely, 2^1363125431 is an apocalyptic number.

1363125431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1363125431 is an equidigital number, since it uses as much as digits as its factorization.

1363125431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 29.

The square root of 1363125431 is about 36920.5285850569. The cubic root of 1363125431 is about 1108.7797186806.

The spelling of 1363125431 in words is "one billion, three hundred sixty-three million, one hundred twenty-five thousand, four hundred thirty-one".