102031203112 has 16 divisors (see below), whose sum is σ = 191366300340. Its totient is φ = 51000189696.

The previous prime is 102031203107. The next prime is 102031203119. The reversal of 102031203112 is 211302130201.

It can be written as a sum of positive squares in 2 ways, for example, as 93016460196 + 9014742916 = 304986^2 + 94946^2 .

It is not an unprimeable number, because it can be changed into a prime (102031203119) 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, 1898323 + ... + 1951330.

Almost surely, 2^102031203112 is an apocalyptic number.

It is an amenable number.

102031203112 is a deficient number, since it is larger than the sum of its proper divisors (89335097228).

102031203112 is a wasteful number, since it uses less digits than its factorization.

102031203112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3852972 (or 3852968 counting only the distinct ones).

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

Adding to 102031203112 its reverse (211302130201), we get a palindrome (313333333313).

The spelling of 102031203112 in words is "one hundred two billion, thirty-one million, two hundred three thousand, one hundred twelve".