131103210022 has 4 divisors (see below), whose sum is σ = 196654815036. Its totient is φ = 65551605010.

The previous prime is 131103210019. The next prime is 131103210157. The reversal of 131103210022 is 220012301131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220012301131 = 7 ⋅31430328733.

It is a junction number, because it is equal to n+sod(n) for n = 131103209978 and 131103210005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32775802504 + ... + 32775802507.

It is an arithmetic number, because the mean of its divisors is an integer number (49163703759).

Almost surely, 2^131103210022 is an apocalyptic number.

131103210022 is a deficient number, since it is larger than the sum of its proper divisors (65551605014).

131103210022 is an equidigital number, since it uses as much as digits as its factorization.

131103210022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65551605013.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 131103210022 its reverse (220012301131), we get a palindrome (351115511153).

The spelling of 131103210022 in words is "one hundred thirty-one billion, one hundred three million, two hundred ten thousand, twenty-two".