831523051 has 2 divisors, whose sum is σ = 831523052. Its totient is φ = 831523050.

The previous prime is 831523039. The next prime is 831523073. The reversal of 831523051 is 150325138.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-831523051 is a prime.

It is a super-3 number, since 3×831523051³ (a number of 28 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (831523031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415761525 + 415761526.

It is an arithmetic number, because the mean of its divisors is an integer number (415761526).

Almost surely, 2^831523051 is an apocalyptic number.

831523051 is a deficient number, since it is larger than the sum of its proper divisors (1).

831523051 is an equidigital number, since it uses as much as digits as its factorization.

831523051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 831523051 is about 28836.1414027605. The cubic root of 831523051 is about 940.3541185030.

Adding to 831523051 its reverse (150325138), we get a palindrome (981848189).

The spelling of 831523051 in words is "eight hundred thirty-one million, five hundred twenty-three thousand, fifty-one".