131222140103 has 4 divisors (see below), whose sum is σ = 131278196328. Its totient is φ = 131166083880.

The previous prime is 131222140081. The next prime is 131222140117. The reversal of 131222140103 is 301041222131.

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 131222140103 - 2¹⁴ = 131222123719 is a prime.

It is a super-2 number, since 2×131222140103² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131222148103) 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, 28024601 + ... + 28029282.

It is an arithmetic number, because the mean of its divisors is an integer number (32819549082).

Almost surely, 2^131222140103 is an apocalyptic number.

131222140103 is a deficient number, since it is larger than the sum of its proper divisors (56056225).

131222140103 is an equidigital number, since it uses as much as digits as its factorization.

131222140103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56056224.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 131222140103 its reverse (301041222131), we get a palindrome (432263362234).

The spelling of 131222140103 in words is "one hundred thirty-one billion, two hundred twenty-two million, one hundred forty thousand, one hundred three".