103313023531 has 2 divisors, whose sum is σ = 103313023532. Its totient is φ = 103313023530.

The previous prime is 103313023529. The next prime is 103313023571. The reversal of 103313023531 is 135320313301.

It is a weak prime.

It is an emirp because it is prime and its reverse (135320313301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103313023531 - 2¹ = 103313023529 is a prime.

It is a super-2 number, since 2×103313023531² (a number of 23 digits) contains 22 as substring.

Together with 103313023529, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 103313023496 and 103313023505.

It is not a weakly prime, because it can be changed into another prime (103313023571) 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 as a sum of consecutive naturals, namely, 51656511765 + 51656511766.

It is an arithmetic number, because the mean of its divisors is an integer number (51656511766).

Almost surely, 2^103313023531 is an apocalyptic number.

103313023531 is a deficient number, since it is larger than the sum of its proper divisors (1).

103313023531 is an equidigital number, since it uses as much as digits as its factorization.

103313023531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 25.

Adding to 103313023531 its reverse (135320313301), we get a palindrome (238633336832).

The spelling of 103313023531 in words is "one hundred three billion, three hundred thirteen million, twenty-three thousand, five hundred thirty-one".