1316931912101 has 4 divisors (see below), whose sum is σ = 1418234366892. Its totient is φ = 1215629457312.

The previous prime is 1316931912089. The next prime is 1316931912113. The reversal of 1316931912101 is 1012191396131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1316931912089) and next prime (1316931912113).

It can be written as a sum of positive squares in 2 ways, for example, as 435725409025 + 881206503076 = 660095^2 + 938726^2 .

It is a cyclic number.

It is not a de Polignac number, because 1316931912101 - 2²⁶ = 1316864803237 is a prime.

It is a super-2 number, since 2×1316931912101² (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 (1316931912151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50651227376 + ... + 50651227401.

It is an arithmetic number, because the mean of its divisors is an integer number (354558591723).

Almost surely, 2^{1316931912101} is an apocalyptic number.

It is an amenable number.

1316931912101 is a deficient number, since it is larger than the sum of its proper divisors (101302454791).

1316931912101 is a wasteful number, since it uses less digits than its factorization.

1316931912101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101302454790.

The product of its (nonzero) digits is 8748, while the sum is 38.

The spelling of 1316931912101 in words is "one trillion, three hundred sixteen billion, nine hundred thirty-one million, nine hundred twelve thousand, one hundred one".