1331103002431 has 16 divisors (see below), whose sum is σ = 1339089602400. Its totient is φ = 1323142739968.

The previous prime is 1331103002423. The next prime is 1331103002443. The reversal of 1331103002431 is 1342003011331.

It is a cyclic number.

It is not a de Polignac number, because 1331103002431 - 2³ = 1331103002423 is a prime.

It is a super-2 number, since 2×1331103002431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331103002491) 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, 258313551 + ... + 258318703.

It is an arithmetic number, because the mean of its divisors is an integer number (83693100150).

Almost surely, 2^{1331103002431} is an apocalyptic number.

1331103002431 is a deficient number, since it is larger than the sum of its proper divisors (7986599969).

1331103002431 is a wasteful number, since it uses less digits than its factorization.

1331103002431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7418.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1331103002431 its reverse (1342003011331), we get a palindrome (2673106013762).

The spelling of 1331103002431 in words is "one trillion, three hundred thirty-one billion, one hundred three million, two thousand, four hundred thirty-one".