102031612 has 12 divisors (see below), whose sum is σ = 178669456. Its totient is φ = 50983200.

The previous prime is 102031609. The next prime is 102031613. The reversal of 102031612 is 216130201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102031613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264 + ... + 14287.

Almost surely, 2^102031612 is an apocalyptic number.

It is an amenable number.

102031612 is a deficient number, since it is larger than the sum of its proper divisors (76637844).

102031612 is a wasteful number, since it uses less digits than its factorization.

102031612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16308 (or 16306 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 102031612 is about 10101.0698443284. The cubic root of 102031612 is about 467.2811363649.

Adding to 102031612 its reverse (216130201), we get a palindrome (318161813).

The spelling of 102031612 in words is "one hundred two million, thirty-one thousand, six hundred twelve".