2102031319 has 4 divisors (see below), whose sum is σ = 2121316120. Its totient is φ = 2082746520.

The previous prime is 2102031301. The next prime is 2102031343. The reversal of 2102031319 is 9131302012.

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 2102031319 - 2¹³ = 2102023127 is a prime.

It is a super-2 number, since 2×2102031319² = 8837071332113759522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2102031319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102035319) 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, 9642237 + ... + 9642454.

It is an arithmetic number, because the mean of its divisors is an integer number (530329030).

Almost surely, 2^2102031319 is an apocalyptic number.

2102031319 is a deficient number, since it is larger than the sum of its proper divisors (19284801).

2102031319 is a wasteful number, since it uses less digits than its factorization.

2102031319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19284800.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 2102031319 is about 45847.9150998167. The cubic root of 2102031319 is about 1280.9919311001.

The spelling of 2102031319 in words is "two billion, one hundred two million, thirty-one thousand, three hundred nineteen".