102031430 has 16 divisors (see below), whose sum is σ = 183782304. Its totient is φ = 40784640.

The previous prime is 102031409. The next prime is 102031441. The reversal of 102031430 is 34130201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18359 + ... + 23261.

It is an arithmetic number, because the mean of its divisors is an integer number (11486394).

Almost surely, 2^102031430 is an apocalyptic number.

102031430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102031430 is a deficient number, since it is larger than the sum of its proper divisors (81750874).

102031430 is a wasteful number, since it uses less digits than its factorization.

102031430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6991.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 102031430 is about 10101.0608353776. The cubic root of 102031430 is about 467.2808585254.

Adding to 102031430 its reverse (34130201), we get a palindrome (136161631).

The spelling of 102031430 in words is "one hundred two million, thirty-one thousand, four hundred thirty".