2152040420231 has 8 divisors (see below), whose sum is σ = 2317593803280. Its totient is φ = 1986488724672.

The previous prime is 2152040420213. The next prime is 2152040420273. The reversal of 2152040420231 is 1320240402512.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2152040420231 is a prime.

It is a super-2 number, since 2×2152040420231² (a number of 25 digits) 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 2152040420231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152040420281) 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, 3768251 + ... + 4301603.

It is an arithmetic number, because the mean of its divisors is an integer number (289699225410).

Almost surely, 2^{2152040420231} is an apocalyptic number.

2152040420231 is a deficient number, since it is larger than the sum of its proper divisors (165553383049).

2152040420231 is a wasteful number, since it uses less digits than its factorization.

2152040420231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843745.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 2152040420231 its reverse (1320240402512), we get a palindrome (3472280822743).

The spelling of 2152040420231 in words is "two trillion, one hundred fifty-two billion, forty million, four hundred twenty thousand, two hundred thirty-one".