102802131 has 12 divisors (see below), whose sum is σ = 151009560. Its totient is φ = 67372800.

The previous prime is 102802123. The next prime is 102802201. The reversal of 102802131 is 131208201.

It is not a de Polignac number, because 102802131 - 2³ = 102802123 is a prime.

It is a super-2 number, since 2×102802131² = 21136556276282322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102801131) 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 11 ways as a sum of consecutive naturals, for example, 96270 + ... + 97331.

It is an arithmetic number, because the mean of its divisors is an integer number (12584130).

Almost surely, 2^102802131 is an apocalyptic number.

102802131 is a deficient number, since it is larger than the sum of its proper divisors (48207429).

102802131 is a wasteful number, since it uses less digits than its factorization.

102802131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193666 (or 193663 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 102802131 is about 10139.1385728769. The cubic root of 102802131 is about 468.4544539112.

The spelling of 102802131 in words is "one hundred two million, eight hundred two thousand, one hundred thirty-one".