1310961241887 has 32 divisors (see below), whose sum is σ = 1911460239360. Its totient is φ = 792603364320.

The previous prime is 1310961241883. The next prime is 1310961241897. The reversal of 1310961241887 is 7881421690131.

It is not a de Polignac number, because 1310961241887 - 2² = 1310961241883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310961241883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49533664 + ... + 49560122.

It is an arithmetic number, because the mean of its divisors is an integer number (59733132480).

Almost surely, 2^{1310961241887} is an apocalyptic number.

1310961241887 is a deficient number, since it is larger than the sum of its proper divisors (600498997473).

1310961241887 is a wasteful number, since it uses less digits than its factorization.

1310961241887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30043.

The product of its (nonzero) digits is 580608, while the sum is 51.

The spelling of 1310961241887 in words is "one trillion, three hundred ten billion, nine hundred sixty-one million, two hundred forty-one thousand, eight hundred eighty-seven".