10142431211522 has 8 divisors (see below), whose sum is σ = 15213710033676. Its totient is φ = 5071194533632.

The previous prime is 10142431211453. The next prime is 10142431211527. The reversal of 10142431211522 is 22511213424101.

It can be written as a sum of positive squares in 2 ways, for example, as 8551349184361 + 1591082027161 = 2924269^2 + 1261381^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (10142431211527) 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, 9927383 + ... + 10901274.

Almost surely, 2^{10142431211522} is an apocalyptic number.

10142431211522 is a deficient number, since it is larger than the sum of its proper divisors (5071278822154).

10142431211522 is a wasteful number, since it uses less digits than its factorization.

10142431211522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21072132.

The product of its (nonzero) digits is 3840, while the sum is 29.

Adding to 10142431211522 its reverse (22511213424101), we get a palindrome (32653644635623).

The spelling of 10142431211522 in words is "ten trillion, one hundred forty-two billion, four hundred thirty-one million, two hundred eleven thousand, five hundred twenty-two".