1311423252350 has 48 divisors (see below), whose sum is σ = 2487883412592. Its totient is φ = 514130722560.

The previous prime is 1311423252319. The next prime is 1311423252397. The reversal of 1311423252350 is 532523241131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2265809 + ... + 2785091.

It is an arithmetic number, because the mean of its divisors is an integer number (51830904429).

Almost surely, 2^{1311423252350} is an apocalyptic number.

1311423252350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311423252350 is a deficient number, since it is larger than the sum of its proper divisors (1176460160242).

1311423252350 is a wasteful number, since it uses less digits than its factorization.

1311423252350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520301 (or 520296 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 1311423252350 its reverse (532523241131), we get a palindrome (1843946493481).

The spelling of 1311423252350 in words is "one trillion, three hundred eleven billion, four hundred twenty-three million, two hundred fifty-two thousand, three hundred fifty".