1031020201213 has 2 divisors, whose sum is σ = 1031020201214. Its totient is φ = 1031020201212.

The previous prime is 1031020201121. The next prime is 1031020201219. The reversal of 1031020201213 is 3121020201301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 889073610649 + 141946590564 = 942907^2 + 376758^2 .

It is a cyclic number.

It is not a de Polignac number, because 1031020201213 - 2⁹ = 1031020200701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1031020201219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515510100606 + 515510100607.

It is an arithmetic number, because the mean of its divisors is an integer number (515510100607).

Almost surely, 2^{1031020201213} is an apocalyptic number.

It is an amenable number.

1031020201213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031020201213 is an equidigital number, since it uses as much as digits as its factorization.

1031020201213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1031020201213 its reverse (3121020201301), we get a palindrome (4152040402514).

The spelling of 1031020201213 in words is "one trillion, thirty-one billion, twenty million, two hundred one thousand, two hundred thirteen".