1031323020001 has 2 divisors, whose sum is σ = 1031323020002. Its totient is φ = 1031323020000.

The previous prime is 1031323019999. The next prime is 1031323020037. The reversal of 1031323020001 is 1000203231301.

1031323020001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1024508352400 + 6814667601 = 1012180^2 + 82551^2 .

It is an emirp because it is prime and its reverse (1000203231301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1031323020001 - 2¹ = 1031323019999 is a prime.

Together with 1031323019999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1031323024001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515661510000 + 515661510001.

It is an arithmetic number, because the mean of its divisors is an integer number (515661510001).

Almost surely, 2^{1031323020001} is an apocalyptic number.

It is an amenable number.

1031323020001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031323020001 is an equidigital number, since it uses as much as digits as its factorization.

1031323020001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1031323020001 its reverse (1000203231301), we get a palindrome (2031526251302).

The spelling of 1031323020001 in words is "one trillion, thirty-one billion, three hundred twenty-three million, twenty thousand, one".