1020631331014 has 4 divisors (see below), whose sum is σ = 1530946996524. Its totient is φ = 510315665506.

The previous prime is 1020631331011. The next prime is 1020631331051. The reversal of 1020631331014 is 4101331360201.

1020631331014 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1020631331014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020631331011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255157832752 + ... + 255157832755.

It is an arithmetic number, because the mean of its divisors is an integer number (382736749131).

Almost surely, 2^{1020631331014} is an apocalyptic number.

1020631331014 is a deficient number, since it is larger than the sum of its proper divisors (510315665510).

1020631331014 is an equidigital number, since it uses as much as digits as its factorization.

1020631331014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510315665509.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 1020631331014 its reverse (4101331360201), we get a palindrome (5121962691215).

The spelling of 1020631331014 in words is "one trillion, twenty billion, six hundred thirty-one million, three hundred thirty-one thousand, fourteen".