233134031131 has 4 divisors (see below), whose sum is σ = 234677965264. Its totient is φ = 231590097000.

The previous prime is 233134031107. The next prime is 233134031149. The reversal of 233134031131 is 131130431332.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 233134031131 - 2⁵ = 233134031099 is a prime.

It is a super-2 number, since 2×233134031131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 233134031096 and 233134031105.

It is not an unprimeable number, because it can be changed into a prime (233134031171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771966840 + ... + 771967141.

It is an arithmetic number, because the mean of its divisors is an integer number (58669491316).

Almost surely, 2^233134031131 is an apocalyptic number.

233134031131 is a deficient number, since it is larger than the sum of its proper divisors (1543934133).

233134031131 is a wasteful number, since it uses less digits than its factorization.

233134031131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543934132.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 233134031131 its reverse (131130431332), we get a palindrome (364264462463).

The spelling of 233134031131 in words is "two hundred thirty-three billion, one hundred thirty-four million, thirty-one thousand, one hundred thirty-one".