2153020232311 has 32 divisors (see below), whose sum is σ = 2407731379200. Its totient is φ = 1912563709056.

The previous prime is 2153020232309. The next prime is 2153020232351. The reversal of 2153020232311 is 1132320203512.

It is not a de Polignac number, because 2153020232311 - 2¹ = 2153020232309 is a prime.

It is a super-2 number, since 2×2153020232311² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153020232351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22344465 + ... + 22440613.

It is an arithmetic number, because the mean of its divisors is an integer number (75241605600).

Almost surely, 2^{2153020232311} is an apocalyptic number.

2153020232311 is a deficient number, since it is larger than the sum of its proper divisors (254711146889).

2153020232311 is a wasteful number, since it uses less digits than its factorization.

2153020232311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96823.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 2153020232311 its reverse (1132320203512), we get a palindrome (3285340435823).

The spelling of 2153020232311 in words is "two trillion, one hundred fifty-three billion, twenty million, two hundred thirty-two thousand, three hundred eleven".