2153233031 has 4 divisors (see below), whose sum is σ = 2160896064. Its totient is φ = 2145570000.

The previous prime is 2153233013. The next prime is 2153233051. The reversal of 2153233031 is 1303323512.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2153233031 is a prime.

It is a super-2 number, since 2×2153233031² = 9272824971578893922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2153232988 and 2153233006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153233051) 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, 3831095 + ... + 3831656.

It is an arithmetic number, because the mean of its divisors is an integer number (540224016).

Almost surely, 2^2153233031 is an apocalyptic number.

2153233031 is a deficient number, since it is larger than the sum of its proper divisors (7663033).

2153233031 is an equidigital number, since it uses as much as digits as its factorization.

2153233031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7663032.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 2153233031 is about 46402.9420511243. The cubic root of 2153233031 is about 1291.3094951356.

Adding to 2153233031 its reverse (1303323512), we get a palindrome (3456556543).

The spelling of 2153233031 in words is "two billion, one hundred fifty-three million, two hundred thirty-three thousand, thirty-one".