10131420422 has 4 divisors (see below), whose sum is σ = 15197130636. Its totient is φ = 5065710210.

The previous prime is 10131420389. The next prime is 10131420427. The reversal of 10131420422 is 22402413101.

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

It is a junction number, because it is equal to n+sod(n) for n = 10131420394 and 10131420403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10131420427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2532855104 + ... + 2532855107.

It is an arithmetic number, because the mean of its divisors is an integer number (3799282659).

Almost surely, 2^10131420422 is an apocalyptic number.

10131420422 is a deficient number, since it is larger than the sum of its proper divisors (5065710214).

10131420422 is an equidigital number, since it uses as much as digits as its factorization.

10131420422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5065710213.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 10131420422 its reverse (22402413101), we get a palindrome (32533833523).

The spelling of 10131420422 in words is "ten billion, one hundred thirty-one million, four hundred twenty thousand, four hundred twenty-two".