2235515231 has 2 divisors, whose sum is σ = 2235515232. Its totient is φ = 2235515230.

The previous prime is 2235515213. The next prime is 2235515237. The reversal of 2235515231 is 1325155322.

Together with previous prime (2235515213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2235515231 - 2¹⁸ = 2235253087 is a prime.

It is a super-2 number, since 2×2235515231² = 9995056696065966722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2235515194 and 2235515203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2235515237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1117757615 + 1117757616.

It is an arithmetic number, because the mean of its divisors is an integer number (1117757616).

Almost surely, 2^2235515231 is an apocalyptic number.

2235515231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2235515231 is an equidigital number, since it uses as much as digits as its factorization.

2235515231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9000, while the sum is 29.

The square root of 2235515231 is about 47281.2355062767. The cubic root of 2235515231 is about 1307.5527277609.

The spelling of 2235515231 in words is "two billion, two hundred thirty-five million, five hundred fifteen thousand, two hundred thirty-one".