235145111005431 has 48 divisors (see below), whose sum is σ = 389236675276800. Its totient is φ = 135401133658560.

The previous prime is 235145111005361. The next prime is 235145111005439. The reversal of 235145111005431 is 134500111541532.

235145111005431 is a `hidden beast` number, since 2 + 3 + 5 + 1 + 4 + 5 + 1 + 1 + 100 + 543 + 1 = 666.

It is not a de Polignac number, because 235145111005431 - 2⁷ = 235145111005303 is a prime.

It is a super-2 number, since 2×235145111005431² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235145111005439) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 346203351 + ... + 346881896.

It is an arithmetic number, because the mean of its divisors is an integer number (8109097401600).

Almost surely, 2^{235145111005431} is an apocalyptic number.

235145111005431 is a deficient number, since it is larger than the sum of its proper divisors (154091564271369).

235145111005431 is a wasteful number, since it uses less digits than its factorization.

235145111005431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693085436 (or 693085433 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

Adding to 235145111005431 its reverse (134500111541532), we get a palindrome (369645222546963).

The spelling of 235145111005431 in words is "two hundred thirty-five trillion, one hundred forty-five billion, one hundred eleven million, five thousand, four hundred thirty-one".