103525012531 has 2 divisors, whose sum is σ = 103525012532. Its totient is φ = 103525012530.

The previous prime is 103525012517. The next prime is 103525012537. The reversal of 103525012531 is 135210525301.

It is a strong prime.

It is an emirp because it is prime and its reverse (135210525301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103525012531 - 2¹⁵ = 103524979763 is a prime.

It is a super-2 number, since 2×103525012531² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103525012531.

It is not a weakly prime, because it can be changed into another prime (103525012537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51762506265 + 51762506266.

It is an arithmetic number, because the mean of its divisors is an integer number (51762506266).

Almost surely, 2^103525012531 is an apocalyptic number.

103525012531 is a deficient number, since it is larger than the sum of its proper divisors (1).

103525012531 is an equidigital number, since it uses as much as digits as its factorization.

103525012531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 103525012531 its reverse (135210525301), we get a palindrome (238735537832).

The spelling of 103525012531 in words is "one hundred three billion, five hundred twenty-five million, twelve thousand, five hundred thirty-one".