1331303154401 has 16 divisors (see below), whose sum is σ = 1479369251520. Its totient is φ = 1187942004480.

The previous prime is 1331303154341. The next prime is 1331303154413. The reversal of 1331303154401 is 1044513031331.

It is a happy number.

It is not a de Polignac number, because 1331303154401 - 2¹⁴ = 1331303138017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331303154491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4828871 + ... + 5097116.

It is an arithmetic number, because the mean of its divisors is an integer number (92460578220).

Almost surely, 2^{1331303154401} is an apocalyptic number.

1331303154401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1331303154401 is a deficient number, since it is larger than the sum of its proper divisors (148066097119).

1331303154401 is a wasteful number, since it uses less digits than its factorization.

1331303154401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9926224.

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 1331303154401 its reverse (1044513031331), we get a palindrome (2375816185732).

The spelling of 1331303154401 in words is "one trillion, three hundred thirty-one billion, three hundred three million, one hundred fifty-four thousand, four hundred one".