101311443 has 6 divisors (see below), whose sum is σ = 146338764. Its totient is φ = 67540956.

The previous prime is 101311433. The next prime is 101311519. The reversal of 101311443 is 344113101.

It is not a de Polignac number, because 101311443 - 2⁵ = 101311411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101311403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5628405 + ... + 5628422.

It is an arithmetic number, because the mean of its divisors is an integer number (24389794).

Almost surely, 2^101311443 is an apocalyptic number.

101311443 is a deficient number, since it is larger than the sum of its proper divisors (45027321).

101311443 is a wasteful number, since it uses less digits than its factorization.

101311443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11256833 (or 11256830 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 101311443 is about 10065.3585629127. The cubic root of 101311443 is about 466.1791371675.

Adding to 101311443 its reverse (344113101), we get a palindrome (445424544).

The spelling of 101311443 in words is "one hundred one million, three hundred eleven thousand, four hundred forty-three".