101311431155215 has 8 divisors (see below), whose sum is σ = 121574608653168. Its totient is φ = 81048550746240.

The previous prime is 101311431155203. The next prime is 101311431155279. The reversal of 101311431155215 is 512551134113101.

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

It is not a de Polignac number, because 101311431155215 - 2⁵ = 101311431155183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73521322 + ... + 74886631.

It is an arithmetic number, because the mean of its divisors is an integer number (15196826081646).

Almost surely, 2^{101311431155215} is an apocalyptic number.

101311431155215 is a deficient number, since it is larger than the sum of its proper divisors (20263177497953).

101311431155215 is a wasteful number, since it uses less digits than its factorization.

101311431155215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148544489.

The product of its (nonzero) digits is 9000, while the sum is 34.

Adding to 101311431155215 its reverse (512551134113101), we get a palindrome (613862565268316).

The spelling of 101311431155215 in words is "one hundred one trillion, three hundred eleven billion, four hundred thirty-one million, one hundred fifty-five thousand, two hundred fifteen".