2105031 has 8 divisors (see below), whose sum is σ = 2814064. Its totient is φ = 1399680.

The previous prime is 2105027. The next prime is 2105069. The reversal of 2105031 is 1305012.

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

It is not a de Polignac number, because 2105031 - 2² = 2105027 is a prime.

It is a super-2 number, since 2×2105031² = 8862311021922, which contains 22 as substring.

It is a Duffinian number.

2105031 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2104998 and 2105016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105071) 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, 975 + ... + 2271.

It is an arithmetic number, because the mean of its divisors is an integer number (351758).

2^2105031 is an apocalyptic number.

2105031 is a deficient number, since it is larger than the sum of its proper divisors (709033).

2105031 is a wasteful number, since it uses less digits than its factorization.

2105031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 2105031 is about 1450.8724961209. The cubic root of 2105031 is about 128.1600983360.

The spelling of 2105031 in words is "two million, one hundred five thousand, thirty-one".