1311052531101 has 8 divisors (see below), whose sum is σ = 1808348318880. Its totient is φ = 843895882032.

The previous prime is 1311052531073. The next prime is 1311052531111. The reversal of 1311052531101 is 1011352501131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1311052531101 - 2⁶ = 1311052531037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311052531111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7534784575 + ... + 7534784748.

It is an arithmetic number, because the mean of its divisors is an integer number (226043539860).

Almost surely, 2^{1311052531101} is an apocalyptic number.

It is an amenable number.

1311052531101 is a deficient number, since it is larger than the sum of its proper divisors (497295787779).

1311052531101 is a wasteful number, since it uses less digits than its factorization.

1311052531101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15069569355.

The product of its (nonzero) digits is 450, while the sum is 24.

The spelling of 1311052531101 in words is "one trillion, three hundred eleven billion, fifty-two million, five hundred thirty-one thousand, one hundred one".