101311030443 has 64 divisors (see below), whose sum is σ = 172221603840. Its totient is φ = 51571302912.

The previous prime is 101311030427. The next prime is 101311030487. The reversal of 101311030443 is 344030113101.

It is not a de Polignac number, because 101311030443 - 2⁴ = 101311030427 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (101311030493) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8045130 + ... + 8057712.

It is an arithmetic number, because the mean of its divisors is an integer number (2690962560).

Almost surely, 2^101311030443 is an apocalyptic number.

101311030443 is a deficient number, since it is larger than the sum of its proper divisors (70910573397).

101311030443 is a wasteful number, since it uses less digits than its factorization.

101311030443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13816.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 101311030443 its reverse (344030113101), we get a palindrome (445341143544).

The spelling of 101311030443 in words is "one hundred one billion, three hundred eleven million, thirty thousand, four hundred forty-three".