10131342642 has 12 divisors (see below), whose sum is σ = 21951242430. Its totient is φ = 3377114208.

The previous prime is 10131342619. The next prime is 10131342649. The reversal of 10131342642 is 24624313101.

It is a happy number.

10131342642 is a `hidden beast` number, since 1 + 0 + 1 + 3 + 13 + 4 + 2 + 642 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9557213121 + 574129521 = 97761^2 + 23961^2 .

It is not an unprimeable number, because it can be changed into a prime (10131342649) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 281426167 + ... + 281426202.

Almost surely, 2^10131342642 is an apocalyptic number.

10131342642 is an abundant number, since it is smaller than the sum of its proper divisors (11819899788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10131342642 is a wasteful number, since it uses less digits than its factorization.

10131342642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562852377 (or 562852374 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 10131342642 its reverse (24624313101), we get a palindrome (34755655743).

The spelling of 10131342642 in words is "ten billion, one hundred thirty-one million, three hundred forty-two thousand, six hundred forty-two".