1253343323731 has 8 divisors (see below), whose sum is σ = 1256384203200. Its totient is φ = 1250302681320.

The previous prime is 1253343323723. The next prime is 1253343323741. The reversal of 1253343323731 is 1373233433521.

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 1253343323731 - 2³ = 1253343323723 is a prime.

It is a super-2 number, since 2×1253343323731² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1253343323741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15369736 + ... + 15451066.

It is an arithmetic number, because the mean of its divisors is an integer number (157048025400).

Almost surely, 2^{1253343323731} is an apocalyptic number.

1253343323731 is a deficient number, since it is larger than the sum of its proper divisors (3040879469).

1253343323731 is an equidigital number, since it uses as much as digits as its factorization.

1253343323731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118529.

The product of its digits is 408240, while the sum is 40.

The spelling of 1253343323731 in words is "one trillion, two hundred fifty-three billion, three hundred forty-three million, three hundred twenty-three thousand, seven hundred thirty-one".