102031112 has 8 divisors (see below), whose sum is σ = 191308350. Its totient is φ = 51015552.

The previous prime is 102031091. The next prime is 102031129. The reversal of 102031112 is 211130201.

It can be written as a sum of positive squares in only one way, i.e., 93586276 + 8444836 = 9674^2 + 2906^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 102031093 and 102031102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6376937 + ... + 6376952.

Almost surely, 2^102031112 is an apocalyptic number.

It is an amenable number.

102031112 is a deficient number, since it is larger than the sum of its proper divisors (89277238).

102031112 is a wasteful number, since it uses less digits than its factorization.

102031112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12753895 (or 12753891 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 102031112 is about 10101.0450944444. The cubic root of 102031112 is about 467.2803730689.

Adding to 102031112 its reverse (211130201), we get a palindrome (313161313).

The spelling of 102031112 in words is "one hundred two million, thirty-one thousand, one hundred twelve".