103102531 has 16 divisors (see below), whose sum is σ = 124358400. Its totient is φ = 83503008.

The previous prime is 103102471. The next prime is 103102541. The reversal of 103102531 is 135201301.

It is a cyclic number.

It is not a de Polignac number, because 103102531 - 2⁷ = 103102403 is a prime.

It is a super-2 number, since 2×103102531² = 21260263797211922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103102541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66936 + ... + 68458.

It is an arithmetic number, because the mean of its divisors is an integer number (7772400).

Almost surely, 2^103102531 is an apocalyptic number.

103102531 is a deficient number, since it is larger than the sum of its proper divisors (21255869).

103102531 is a wasteful number, since it uses less digits than its factorization.

103102531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2058.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 103102531 is about 10153.9416484437. The cubic root of 103102531 is about 468.9103033124.

Adding to 103102531 its reverse (135201301), we get a palindrome (238303832).

The spelling of 103102531 in words is "one hundred three million, one hundred two thousand, five hundred thirty-one".