100102031 has 8 divisors (see below), whose sum is σ = 101332944. Its totient is φ = 98876800.

The previous prime is 100102027. The next prime is 100102039. The reversal of 100102031 is 130201001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100102031 - 2² = 100102027 is a prime.

It is a super-2 number, since 2×100102031² = 20040833220649922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100102039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41741 + ... + 44073.

It is an arithmetic number, because the mean of its divisors is an integer number (12666618).

Almost surely, 2^100102031 is an apocalyptic number.

100102031 is a deficient number, since it is larger than the sum of its proper divisors (1230913).

100102031 is a wasteful number, since it uses less digits than its factorization.

100102031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2841.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 100102031 is about 10005.1002493728. The cubic root of 100102031 is about 464.3166916857.

Adding to 100102031 its reverse (130201001), we get a palindrome (230303032).

The spelling of 100102031 in words is "one hundred million, one hundred two thousand, thirty-one".