2111312390 has 32 divisors (see below), whose sum is σ = 4166726400. Its totient is φ = 763884000.

The previous prime is 2111312369. The next prime is 2111312429. The reversal of 2111312390 is 932131112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26336 + ... + 70115.

It is an arithmetic number, because the mean of its divisors is an integer number (130210200).

Almost surely, 2^2111312390 is an apocalyptic number.

2111312390 is a deficient number, since it is larger than the sum of its proper divisors (2055414010).

2111312390 is a wasteful number, since it uses less digits than its factorization.

2111312390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96668.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 2111312390 is about 45949.0194672313. The cubic root of 2111312390 is about 1282.8744787106.

The spelling of 2111312390 in words is "two billion, one hundred eleven million, three hundred twelve thousand, three hundred ninety".