103440304131331 has 4 divisors (see below), whose sum is σ = 103471526683432. Its totient is φ = 103409081579232.

The previous prime is 103440304131253. The next prime is 103440304131379. The reversal of 103440304131331 is 133131403044301.

It is a happy number.

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 103440304131331 - 2¹⁵ = 103440304098563 is a prime.

It is a super-2 number, since 2×103440304131331² (a number of 29 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 = 103440304131293 and 103440304131302.

It is not an unprimeable number, because it can be changed into a prime (103440304731331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15611271081 + ... + 15611277706.

It is an arithmetic number, because the mean of its divisors is an integer number (25867881670858).

Almost surely, 2^{103440304131331} is an apocalyptic number.

103440304131331 is a deficient number, since it is larger than the sum of its proper divisors (31222552101).

103440304131331 is an equidigital number, since it uses as much as digits as its factorization.

103440304131331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31222552100.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 103440304131331 its reverse (133131403044301), we get a palindrome (236571707175632).

The spelling of 103440304131331 in words is "one hundred three trillion, four hundred forty billion, three hundred four million, one hundred thirty-one thousand, three hundred thirty-one".