10142563261331 has 4 divisors (see below), whose sum is σ = 10378436825592. Its totient is φ = 9906689697072.

The previous prime is 10142563261267. The next prime is 10142563261343. The reversal of 10142563261331 is 13316236524101.

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 10142563261331 - 2⁶ = 10142563261267 is a prime.

It is a super-2 number, since 2×10142563261331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10142563261031) 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, 117936782066 + ... + 117936782151.

It is an arithmetic number, because the mean of its divisors is an integer number (2594609206398).

Almost surely, 2^{10142563261331} is an apocalyptic number.

10142563261331 is a deficient number, since it is larger than the sum of its proper divisors (235873564261).

10142563261331 is an equidigital number, since it uses as much as digits as its factorization.

10142563261331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235873564260.

The product of its (nonzero) digits is 77760, while the sum is 38.

Adding to 10142563261331 its reverse (13316236524101), we get a palindrome (23458799785432).

The spelling of 10142563261331 in words is "ten trillion, one hundred forty-two billion, five hundred sixty-three million, two hundred sixty-one thousand, three hundred thirty-one".