2102102031 has 8 divisors (see below), whose sum is σ = 2950318720. Its totient is φ = 1327643352.

The previous prime is 2102102017. The next prime is 2102102039. The reversal of 2102102031 is 1302012012.

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

It is not a de Polignac number, because 2102102031 - 2²² = 2097907727 is a prime.

It is a super-2 number, since 2×2102102031² = 8837665897468649922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2102101998 and 2102102016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102102039) 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, 18439435 + ... + 18439548.

It is an arithmetic number, because the mean of its divisors is an integer number (368789840).

Almost surely, 2^2102102031 is an apocalyptic number.

2102102031 is a deficient number, since it is larger than the sum of its proper divisors (848216689).

2102102031 is a wasteful number, since it uses less digits than its factorization.

2102102031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36879005.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2102102031 is about 45848.6862516256. The cubic root of 2102102031 is about 1281.0062950608.

Adding to 2102102031 its reverse (1302012012), we get a palindrome (3404114043).

The spelling of 2102102031 in words is "two billion, one hundred two million, one hundred two thousand, thirty-one".