1331512401303 has 48 divisors (see below), whose sum is σ = 2236134491136. Its totient is φ = 747750407040.

The previous prime is 1331512401299. The next prime is 1331512401319. The reversal of 1331512401303 is 3031042151331.

1331512401303 is a `hidden beast` number, since 1 + 3 + 315 + 1 + 2 + 40 + 1 + 303 = 666.

It is not a de Polignac number, because 1331512401303 - 2² = 1331512401299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331512401343) 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, 924526 + ... + 1875572.

It is an arithmetic number, because the mean of its divisors is an integer number (46586135232).

Almost surely, 2^{1331512401303} is an apocalyptic number.

1331512401303 is a deficient number, since it is larger than the sum of its proper divisors (904622089833).

1331512401303 is a wasteful number, since it uses less digits than its factorization.

1331512401303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951444 (or 951441 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

Adding to 1331512401303 its reverse (3031042151331), we get a palindrome (4362554552634).

The spelling of 1331512401303 in words is "one trillion, three hundred thirty-one billion, five hundred twelve million, four hundred one thousand, three hundred three".