2102310031 has 8 divisors (see below), whose sum is σ = 2162777760. Its totient is φ = 2042612832.

The previous prime is 2102310019. The next prime is 2102310097. The reversal of 2102310031 is 1300132012.

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 2102310031 - 2⁹ = 2102309519 is a prime.

It is a super-2 number, since 2×2102310031² = 8839414932886441922, 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 = 2102309993 and 2102310020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102310131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187096 + ... + 198013.

It is an arithmetic number, because the mean of its divisors is an integer number (270347220).

Almost surely, 2^2102310031 is an apocalyptic number.

2102310031 is a deficient number, since it is larger than the sum of its proper divisors (60467729).

2102310031 is a wasteful number, since it uses less digits than its factorization.

2102310031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385265.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2102310031 is about 45850.9545265963. The cubic root of 2102310031 is about 1281.0485449164.

Adding to 2102310031 its reverse (1300132012), we get a palindrome (3402442043).

The spelling of 2102310031 in words is "two billion, one hundred two million, three hundred ten thousand, thirty-one".