16120130531 has 4 divisors (see below), whose sum is σ = 16125389592. Its totient is φ = 16114871472.

The previous prime is 16120130527. The next prime is 16120130567. The reversal of 16120130531 is 13503102161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13503102161 = 89 ⋅151720249.

It is a cyclic number.

It is not a de Polignac number, because 16120130531 - 2² = 16120130527 is a prime.

It is a super-2 number, since 2×16120130531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16120130497 and 16120130506.

It is not an unprimeable number, because it can be changed into a prime (16120130591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2624930 + ... + 2631063.

It is an arithmetic number, because the mean of its divisors is an integer number (4031347398).

Almost surely, 2^16120130531 is an apocalyptic number.

16120130531 is a deficient number, since it is larger than the sum of its proper divisors (5259061).

16120130531 is an equidigital number, since it uses as much as digits as its factorization.

16120130531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5259060.

The product of its (nonzero) digits is 540, while the sum is 23.

Adding to 16120130531 its reverse (13503102161), we get a palindrome (29623232692).

The spelling of 16120130531 in words is "sixteen billion, one hundred twenty million, one hundred thirty thousand, five hundred thirty-one".