1311241954371 has 16 divisors (see below), whose sum is σ = 1756059936000. Its totient is φ = 870293085408.

The previous prime is 1311241954361. The next prime is 1311241954381. The reversal of 1311241954371 is 1734591421131.

It is an interprime number because it is at equal distance from previous prime (1311241954361) and next prime (1311241954381).

It is not a de Polignac number, because 1311241954371 - 2¹⁷ = 1311241823299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1311241954301) 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, 14427730 + ... + 14518328.

It is an arithmetic number, because the mean of its divisors is an integer number (109753746000).

Almost surely, 2^{1311241954371} is an apocalyptic number.

1311241954371 is a deficient number, since it is larger than the sum of its proper divisors (444817981629).

1311241954371 is a wasteful number, since it uses less digits than its factorization.

1311241954371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111898.

The product of its digits is 90720, while the sum is 42.

The spelling of 1311241954371 in words is "one trillion, three hundred eleven billion, two hundred forty-one million, nine hundred fifty-four thousand, three hundred seventy-one".