235535131 has 12 divisors (see below), whose sum is σ = 257590800. Its totient is φ = 215248800.

The previous prime is 235535107. The next prime is 235535143. The reversal of 235535131 is 131535532.

It is not a de Polignac number, because 235535131 - 2¹⁵ = 235502363 is a prime.

It is a super-2 number, since 2×235535131² = 110953595870374322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 235535131.

It is not an unprimeable number, because it can be changed into a prime (235535101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10170 + ... + 23968.

It is an arithmetic number, because the mean of its divisors is an integer number (21465900).

Almost surely, 2^235535131 is an apocalyptic number.

235535131 is a deficient number, since it is larger than the sum of its proper divisors (22055669).

235535131 is a wasteful number, since it uses less digits than its factorization.

235535131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13926 (or 13913 counting only the distinct ones).

The product of its digits is 6750, while the sum is 28.

The square root of 235535131 is about 15347.1538403705. The cubic root of 235535131 is about 617.5686350302.

The spelling of 235535131 in words is "two hundred thirty-five million, five hundred thirty-five thousand, one hundred thirty-one".