13542230531 has 2 divisors, whose sum is σ = 13542230532. Its totient is φ = 13542230530.

The previous prime is 13542230491. The next prime is 13542230579. The reversal of 13542230531 is 13503224531.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13542230531 is a prime.

It is a super-3 number, since 3×13542230531³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 13542230494 and 13542230503.

It is not a weakly prime, because it can be changed into another prime (13542230731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6771115265 + 6771115266.

It is an arithmetic number, because the mean of its divisors is an integer number (6771115266).

Almost surely, 2^13542230531 is an apocalyptic number.

13542230531 is a deficient number, since it is larger than the sum of its proper divisors (1).

13542230531 is an equidigital number, since it uses as much as digits as its factorization.

13542230531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 29.

The spelling of 13542230531 in words is "thirteen billion, five hundred forty-two million, two hundred thirty thousand, five hundred thirty-one".