235532131 has 2 divisors, whose sum is σ = 235532132. Its totient is φ = 235532130.

The previous prime is 235532123. The next prime is 235532137. The reversal of 235532131 is 131235532.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 235532131 - 2³ = 235532123 is a prime.

It is a super-2 number, since 2×235532131² = 110950769466802322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 235532096 and 235532105.

It is not a weakly prime, because it can be changed into another prime (235532137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117766065 + 117766066.

It is an arithmetic number, because the mean of its divisors is an integer number (117766066).

Almost surely, 2^235532131 is an apocalyptic number.

235532131 is a deficient number, since it is larger than the sum of its proper divisors (1).

235532131 is an equidigital number, since it uses as much as digits as its factorization.

235532131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2700, while the sum is 25.

The square root of 235532131 is about 15347.0561020673. The cubic root of 235532131 is about 617.5660130381.

Adding to 235532131 its reverse (131235532), we get a palindrome (366767663).

The spelling of 235532131 in words is "two hundred thirty-five million, five hundred thirty-two thousand, one hundred thirty-one".