2109373031 has 4 divisors (see below), whose sum is σ = 2109568752. Its totient is φ = 2109177312.

The previous prime is 2109373003. The next prime is 2109373037. The reversal of 2109373031 is 1303739012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2109373031 - 2¹⁴ = 2109356647 is a prime.

It is a super-2 number, since 2×2109373031² = 8898909167820253922, 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 = 2109372985 and 2109373003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2109373037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80690 + ... + 103583.

It is an arithmetic number, because the mean of its divisors is an integer number (527392188).

Almost surely, 2^2109373031 is an apocalyptic number.

2109373031 is a deficient number, since it is larger than the sum of its proper divisors (195721).

2109373031 is a wasteful number, since it uses less digits than its factorization.

2109373031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195720.

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 2109373031 is about 45927.9112414227. The cubic root of 2109373031 is about 1282.4815609623.

The spelling of 2109373031 in words is "two billion, one hundred nine million, three hundred seventy-three thousand, thirty-one".