16104251531 has 2 divisors, whose sum is σ = 16104251532. Its totient is φ = 16104251530.

The previous prime is 16104251519. The next prime is 16104251539. The reversal of 16104251531 is 13515240161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16104251531 - 2¹⁸ = 16103989387 is a prime.

It is a super-2 number, since 2×16104251531² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16104251494 and 16104251503.

It is not a weakly prime, because it can be changed into another prime (16104251539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8052125765 + 8052125766.

It is an arithmetic number, because the mean of its divisors is an integer number (8052125766).

Almost surely, 2^16104251531 is an apocalyptic number.

16104251531 is a deficient number, since it is larger than the sum of its proper divisors (1).

16104251531 is an equidigital number, since it uses as much as digits as its factorization.

16104251531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 16104251531 its reverse (13515240161), we get a palindrome (29619491692).

The spelling of 16104251531 in words is "sixteen billion, one hundred four million, two hundred fifty-one thousand, five hundred thirty-one".