125340232313 has 8 divisors (see below), whose sum is σ = 126807396840. Its totient is φ = 123874375680.

The previous prime is 125340232309. The next prime is 125340232343. The reversal of 125340232313 is 313232043521.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2887127824 + 122453104489 = 53732^2 + 349933^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 125340232313 - 2² = 125340232309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125340232343) 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, 133520 + ... + 518177.

It is an arithmetic number, because the mean of its divisors is an integer number (15850924605).

Almost surely, 2^125340232313 is an apocalyptic number.

It is an amenable number.

125340232313 is a deficient number, since it is larger than the sum of its proper divisors (1467164527).

125340232313 is an equidigital number, since it uses as much as digits as its factorization.

125340232313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653947.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 125340232313 its reverse (313232043521), we get a palindrome (438572275834).

The spelling of 125340232313 in words is "one hundred twenty-five billion, three hundred forty million, two hundred thirty-two thousand, three hundred thirteen".