2119700805231 has 16 divisors (see below), whose sum is σ = 2848447300608. Its totient is φ = 1402075375200.

The previous prime is 2119700805197. The next prime is 2119700805239. The reversal of 2119700805231 is 1325080079112.

It is a happy number.

It is not a de Polignac number, because 2119700805231 - 2²¹ = 2119698708079 is a prime.

It is a super-4 number, since 4×2119700805231⁴ (a number of 50 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 2119700805231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2119700805239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3639255 + ... + 4181336.

It is an arithmetic number, because the mean of its divisors is an integer number (178027956288).

Almost surely, 2^{2119700805231} is an apocalyptic number.

2119700805231 is a deficient number, since it is larger than the sum of its proper divisors (728746495377).

2119700805231 is a wasteful number, since it uses less digits than its factorization.

2119700805231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7821302.

The product of its (nonzero) digits is 30240, while the sum is 39.

The spelling of 2119700805231 in words is "two trillion, one hundred nineteen billion, seven hundred million, eight hundred five thousand, two hundred thirty-one".