235220535413 has 2 divisors, whose sum is σ = 235220535414. Its totient is φ = 235220535412.

The previous prime is 235220535397. The next prime is 235220535437. The reversal of 235220535413 is 314535022532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190198909924 + 45021625489 = 436118^2 + 212183^2 .

It is a cyclic number.

It is not a de Polignac number, because 235220535413 - 2⁴ = 235220535397 is a prime.

It is a super-3 number, since 3×235220535413³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235220535013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117610267706 + 117610267707.

It is an arithmetic number, because the mean of its divisors is an integer number (117610267707).

Almost surely, 2^235220535413 is an apocalyptic number.

It is an amenable number.

235220535413 is a deficient number, since it is larger than the sum of its proper divisors (1).

235220535413 is an equidigital number, since it uses as much as digits as its factorization.

235220535413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 235220535413 its reverse (314535022532), we get a palindrome (549755557945).

The spelling of 235220535413 in words is "two hundred thirty-five billion, two hundred twenty million, five hundred thirty-five thousand, four hundred thirteen".