101102031 has 12 divisors (see below), whose sum is σ = 146268408. Its totient is φ = 67294224.

The previous prime is 101102003. The next prime is 101102039. The reversal of 101102031 is 130201101.

It is not a de Polignac number, because 101102031 - 2⁵ = 101101999 is a prime.

It is a super-2 number, since 2×101102031² = 20443241344649922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101102039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2725 + ... + 14478.

It is an arithmetic number, because the mean of its divisors is an integer number (12189034).

Almost surely, 2^101102031 is an apocalyptic number.

101102031 is a deficient number, since it is larger than the sum of its proper divisors (45166377).

101102031 is a wasteful number, since it uses less digits than its factorization.

101102031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17862 (or 17859 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 101102031 is about 10054.9505717333. The cubic root of 101102031 is about 465.8577162667.

Adding to 101102031 its reverse (130201101), we get a palindrome (231303132).

The spelling of 101102031 in words is "one hundred one million, one hundred two thousand, thirty-one".