1331255304350 has 96 divisors (see below), whose sum is σ = 2760396537600. Its totient is φ = 474694387200.

The previous prime is 1331255304349. The next prime is 1331255304359. The reversal of 1331255304350 is 534035521331.

It is a happy number.

It is a super-2 number, since 2×1331255304350² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1331255304350.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331255304359) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 122589221 + ... + 122600079.

It is an arithmetic number, because the mean of its divisors is an integer number (28754130600).

Almost surely, 2^{1331255304350} is an apocalyptic number.

1331255304350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331255304350 is an abundant number, since it is smaller than the sum of its proper divisors (1429141233250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1331255304350 is a wasteful number, since it uses less digits than its factorization.

1331255304350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18498 (or 18493 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 35.

The spelling of 1331255304350 in words is "one trillion, three hundred thirty-one billion, two hundred fifty-five million, three hundred four thousand, three hundred fifty".