1252313103331 has 4 divisors (see below), whose sum is σ = 1306761499152. Its totient is φ = 1197864707512.

The previous prime is 1252313103287. The next prime is 1252313103343. The reversal of 1252313103331 is 1333013132521.

It is a happy number.

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 1252313103331 - 2¹⁷ = 1252312972259 is a prime.

It is a super-2 number, since 2×1252313103331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1252313103331.

It is not an unprimeable number, because it can be changed into a prime (1252313103631) 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, 27224197876 + ... + 27224197921.

It is an arithmetic number, because the mean of its divisors is an integer number (326690374788).

Almost surely, 2^{1252313103331} is an apocalyptic number.

1252313103331 is a deficient number, since it is larger than the sum of its proper divisors (54448395821).

1252313103331 is an equidigital number, since it uses as much as digits as its factorization.

1252313103331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54448395820.

The product of its (nonzero) digits is 4860, while the sum is 28.

Adding to 1252313103331 its reverse (1333013132521), we get a palindrome (2585326235852).

The spelling of 1252313103331 in words is "one trillion, two hundred fifty-two billion, three hundred thirteen million, one hundred three thousand, three hundred thirty-one".