1251310323353 has 8 divisors (see below), whose sum is σ = 1325481370272. Its totient is φ = 1177202005056.

The previous prime is 1251310323301. The next prime is 1251310323377. The reversal of 1251310323353 is 3533230131521.

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

It is not a de Polignac number, because 1251310323353 - 2¹² = 1251310319257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1251310323953) 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, 15641075 + ... + 15720872.

It is an arithmetic number, because the mean of its divisors is an integer number (165685171284).

Almost surely, 2^{1251310323353} is an apocalyptic number.

It is an amenable number.

1251310323353 is a deficient number, since it is larger than the sum of its proper divisors (74171046919).

1251310323353 is a wasteful number, since it uses less digits than its factorization.

1251310323353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31364311.

The product of its (nonzero) digits is 24300, while the sum is 32.

Adding to 1251310323353 its reverse (3533230131521), we get a palindrome (4784540454874).

The spelling of 1251310323353 in words is "one trillion, two hundred fifty-one billion, three hundred ten million, three hundred twenty-three thousand, three hundred fifty-three".