10331021042 has 4 divisors (see below), whose sum is σ = 15496531566. Its totient is φ = 5165510520.

The previous prime is 10331021017. The next prime is 10331021047. The reversal of 10331021042 is 24012013301.

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

It can be written as a sum of positive squares in only one way, i.e., 10308543961 + 22477081 = 101531^2 + 4741^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10331021042.

It is not an unprimeable number, because it can be changed into a prime (10331021047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2582755259 + ... + 2582755262.

Almost surely, 2^10331021042 is an apocalyptic number.

10331021042 is a deficient number, since it is larger than the sum of its proper divisors (5165510524).

10331021042 is an equidigital number, since it uses as much as digits as its factorization.

10331021042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5165510523.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10331021042 its reverse (24012013301), we get a palindrome (34343034343).

The spelling of 10331021042 in words is "ten billion, three hundred thirty-one million, twenty-one thousand, forty-two".