103131133211 has 4 divisors (see below), whose sum is σ = 103132073712. Its totient is φ = 103130192712.

The previous prime is 103131133109. The next prime is 103131133289. The reversal of 103131133211 is 112331131301.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 112331131301 = 827 ⋅135829663.

It is a cyclic number.

It is not a de Polignac number, because 103131133211 - 2²⁶ = 103064024347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103131133411) 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, 280151 + ... + 533616.

It is an arithmetic number, because the mean of its divisors is an integer number (25783018428).

Almost surely, 2^103131133211 is an apocalyptic number.

103131133211 is a deficient number, since it is larger than the sum of its proper divisors (940501).

103131133211 is an equidigital number, since it uses as much as digits as its factorization.

103131133211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940500.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 103131133211 its reverse (112331131301), we get a palindrome (215462264512).

The spelling of 103131133211 in words is "one hundred three billion, one hundred thirty-one million, one hundred thirty-three thousand, two hundred eleven".