10442012161331 has 4 divisors (see below), whose sum is σ = 10460109236712. Its totient is φ = 10423915085952.

The previous prime is 10442012161307. The next prime is 10442012161403. The reversal of 10442012161331 is 13316121024401.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10442012161331 is a prime.

It is a super-2 number, since 2×10442012161331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10442012161294 and 10442012161303.

It is not an unprimeable number, because it can be changed into a prime (10442012169331) 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, 9048536825 + ... + 9048537978.

It is an arithmetic number, because the mean of its divisors is an integer number (2615027309178).

Almost surely, 2^{10442012161331} is an apocalyptic number.

10442012161331 is a deficient number, since it is larger than the sum of its proper divisors (18097075381).

10442012161331 is an equidigital number, since it uses as much as digits as its factorization.

10442012161331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18097075380.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 10442012161331 its reverse (13316121024401), we get a palindrome (23758133185732).

The spelling of 10442012161331 in words is "ten trillion, four hundred forty-two billion, twelve million, one hundred sixty-one thousand, three hundred thirty-one".