103248917531 has 4 divisors (see below), whose sum is σ = 105650055192. Its totient is φ = 100847779872.

The previous prime is 103248917503. The next prime is 103248917537. The reversal of 103248917531 is 135719842301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 135719842301 = 4261 ⋅31851641.

It is a cyclic number.

It is not a de Polignac number, because 103248917531 - 2¹⁸ = 103248655387 is a prime.

It is a super-2 number, since 2×103248917531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103248917537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1200568766 + ... + 1200568851.

It is an arithmetic number, because the mean of its divisors is an integer number (26412513798).

Almost surely, 2^103248917531 is an apocalyptic number.

103248917531 is a deficient number, since it is larger than the sum of its proper divisors (2401137661).

103248917531 is an equidigital number, since it uses as much as digits as its factorization.

103248917531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2401137660.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 103248917531 in words is "one hundred three billion, two hundred forty-eight million, nine hundred seventeen thousand, five hundred thirty-one".