1331023011450 has 96 divisors (see below), whose sum is σ = 3646605173760. Its totient is φ = 318587755200.

The previous prime is 1331023011419. The next prime is 1331023011517. The reversal of 1331023011450 is 541103201331.

It is a super-2 number, since 2×1331023011450² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1331023011450.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4975224 + ... + 5235923.

It is an arithmetic number, because the mean of its divisors is an integer number (37985470560).

Almost surely, 2^{1331023011450} is an apocalyptic number.

1331023011450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331023011450 is an abundant number, since it is smaller than the sum of its proper divisors (2315582162310).

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

1331023011450 is a wasteful number, since it uses less digits than its factorization.

1331023011450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10211252 (or 10211247 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 1331023011450 its reverse (541103201331), we get a palindrome (1872126212781).

The spelling of 1331023011450 in words is "one trillion, three hundred thirty-one billion, twenty-three million, eleven thousand, four hundred fifty".