1531734230263 has 4 divisors (see below), whose sum is σ = 1553307951888. Its totient is φ = 1510160508640.

The previous prime is 1531734230249. The next prime is 1531734230291. The reversal of 1531734230263 is 3620324371351.

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 1531734230263 - 2³³ = 1523144295671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1531734237263) 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, 10786860706 + ... + 10786860847.

It is an arithmetic number, because the mean of its divisors is an integer number (388326987972).

Almost surely, 2^{1531734230263} is an apocalyptic number.

1531734230263 is a deficient number, since it is larger than the sum of its proper divisors (21573721625).

1531734230263 is an equidigital number, since it uses as much as digits as its factorization.

1531734230263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21573721624.

The product of its (nonzero) digits is 272160, while the sum is 40.

The spelling of 1531734230263 in words is "one trillion, five hundred thirty-one billion, seven hundred thirty-four million, two hundred thirty thousand, two hundred sixty-three".