125530812331 has 8 divisors (see below), whose sum is σ = 128462552240. Its totient is φ = 122599636992.

The previous prime is 125530812317. The next prime is 125530812367. The reversal of 125530812331 is 133218035521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 17-Lehmer number, since φ(125530812331) divides (125530812331-1)¹⁷.

It is a cyclic number.

It is not a de Polignac number, because 125530812331 - 2²³ = 125522423723 is a prime.

It is a super-2 number, since 2×125530812331² (a number of 23 digits) contains 22 as substring.

It is a pancake number, because a pancake can be divided into 125530812331 parts by 501060 straight cuts.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125530812391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326635 + ... + 598123.

It is an arithmetic number, because the mean of its divisors is an integer number (16057819030).

Almost surely, 2^125530812331 is an apocalyptic number.

125530812331 is a deficient number, since it is larger than the sum of its proper divisors (2931739909).

125530812331 is a wasteful number, since it uses less digits than its factorization.

125530812331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282285.

The product of its (nonzero) digits is 21600, while the sum is 34.

Adding to 125530812331 its reverse (133218035521), we get a palindrome (258748847852).

The spelling of 125530812331 in words is "one hundred twenty-five billion, five hundred thirty million, eight hundred twelve thousand, three hundred thirty-one".