101331313312213 has 4 divisors (see below), whose sum is σ = 102315112470688. Its totient is φ = 100347514153740.

The previous prime is 101331313312211. The next prime is 101331313312217. The reversal of 101331313312213 is 312213313133101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101331313312213 - 2¹ = 101331313312211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101331313312211) 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, 491899579083 + ... + 491899579288.

It is an arithmetic number, because the mean of its divisors is an integer number (25578778117672).

Almost surely, 2^{101331313312213} is an apocalyptic number.

It is an amenable number.

101331313312213 is a deficient number, since it is larger than the sum of its proper divisors (983799158475).

101331313312213 is an equidigital number, since it uses as much as digits as its factorization.

101331313312213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983799158474.

The product of its (nonzero) digits is 2916, while the sum is 28.

Adding to 101331313312213 its reverse (312213313133101), we get a palindrome (413544626445314).

The spelling of 101331313312213 in words is "one hundred one trillion, three hundred thirty-one billion, three hundred thirteen million, three hundred twelve thousand, two hundred thirteen".