102603131 has 4 divisors (see below), whose sum is σ = 106141200. Its totient is φ = 99065064.

The previous prime is 102603113. The next prime is 102603133. The reversal of 102603131 is 131306201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102603131 - 2¹⁰ = 102602107 is a prime.

It is a super-3 number, since 3×102603131³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102603133) 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, 1768991 + ... + 1769048.

It is an arithmetic number, because the mean of its divisors is an integer number (26535300).

Almost surely, 2^102603131 is an apocalyptic number.

102603131 is a deficient number, since it is larger than the sum of its proper divisors (3538069).

102603131 is an equidigital number, since it uses as much as digits as its factorization.

102603131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3538068.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 102603131 is about 10129.3203621961. The cubic root of 102603131 is about 468.1519872463.

Adding to 102603131 its reverse (131306201), we get a palindrome (233909332).

The spelling of 102603131 in words is "one hundred two million, six hundred three thousand, one hundred thirty-one".