103331021131 has 4 divisors (see below), whose sum is σ = 111279561232. Its totient is φ = 95382481032.

The previous prime is 103331021011. The next prime is 103331021153. The reversal of 103331021131 is 131120133301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103331021131 - 2¹¹ = 103331019083 is a prime.

It is a super-2 number, since 2×103331021131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103331021099 and 103331021108.

It is not an unprimeable number, because it can be changed into a prime (103331024131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3974270031 + ... + 3974270056.

It is an arithmetic number, because the mean of its divisors is an integer number (27819890308).

Almost surely, 2^103331021131 is an apocalyptic number.

103331021131 is a deficient number, since it is larger than the sum of its proper divisors (7948540101).

103331021131 is an equidigital number, since it uses as much as digits as its factorization.

103331021131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7948540100.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 103331021131 its reverse (131120133301), we get a palindrome (234451154432).

The spelling of 103331021131 in words is "one hundred three billion, three hundred thirty-one million, twenty-one thousand, one hundred thirty-one".