1363450431331 has 4 divisors (see below), whose sum is σ = 1363796225392. Its totient is φ = 1363104637272.

The previous prime is 1363450431307. The next prime is 1363450431341. The reversal of 1363450431331 is 1331340543631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1363450431331 - 2²³ = 1363442042723 is a prime.

It is a super-2 number, since 2×1363450431331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1363450431341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172891116 + ... + 172899001.

It is an arithmetic number, because the mean of its divisors is an integer number (340949056348).

Almost surely, 2^{1363450431331} is an apocalyptic number.

1363450431331 is a deficient number, since it is larger than the sum of its proper divisors (345794061).

1363450431331 is an equidigital number, since it uses as much as digits as its factorization.

1363450431331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345794060.

The product of its (nonzero) digits is 116640, while the sum is 37.

Adding to 1363450431331 its reverse (1331340543631), we get a palindrome (2694790974962).

The spelling of 1363450431331 in words is "one trillion, three hundred sixty-three billion, four hundred fifty million, four hundred thirty-one thousand, three hundred thirty-one".