102303131 has 12 divisors (see below), whose sum is σ = 122846400. Its totient is φ = 84858480.

The previous prime is 102303107. The next prime is 102303133. The reversal of 102303131 is 131303201.

It is a de Polignac number, because none of the positive numbers 2^k-102303131 is a prime.

It is a super-2 number, since 2×102303131² = 20931861224806322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102303133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32156 + ... + 35193.

It is an arithmetic number, because the mean of its divisors is an integer number (10237200).

Almost surely, 2^102303131 is an apocalyptic number.

102303131 is a deficient number, since it is larger than the sum of its proper divisors (20543269).

102303131 is an equidigital number, since it uses as much as digits as its factorization.

102303131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67394 (or 67387 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 102303131 is about 10114.5010257551. The cubic root of 102303131 is about 467.6952672614.

Adding to 102303131 its reverse (131303201), we get a palindrome (233606332).

The spelling of 102303131 in words is "one hundred two million, three hundred three thousand, one hundred thirty-one".