101131213311 has 8 divisors (see below), whose sum is σ = 149824019760. Its totient is φ = 67420808856.

The previous prime is 101131213307. The next prime is 101131213333. The reversal of 101131213311 is 113312131101.

101131213311 is a `hidden beast` number, since 10 + 1 + 131 + 213 + 311 = 666.

It is not a de Polignac number, because 101131213311 - 2² = 101131213307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101131213411) 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, 1872800220 + ... + 1872800273.

It is an arithmetic number, because the mean of its divisors is an integer number (18728002470).

Almost surely, 2^101131213311 is an apocalyptic number.

101131213311 is a deficient number, since it is larger than the sum of its proper divisors (48692806449).

101131213311 is an equidigital number, since it uses as much as digits as its factorization.

101131213311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3745600502 (or 3745600496 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 101131213311 its reverse (113312131101), we get a palindrome (214443344412).

The spelling of 101131213311 in words is "one hundred one billion, one hundred thirty-one million, two hundred thirteen thousand, three hundred eleven".