1031130111013 has 2 divisors, whose sum is σ = 1031130111014. Its totient is φ = 1031130111012.

The previous prime is 1031130111001. The next prime is 1031130111041. The reversal of 1031130111013 is 3101110311301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1030383346084 + 746764929 = 1015078^2 + 27327^2 .

It is a cyclic number.

It is not a de Polignac number, because 1031130111013 - 2¹⁷ = 1031129979941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1031130111043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515565055506 + 515565055507.

It is an arithmetic number, because the mean of its divisors is an integer number (515565055507).

Almost surely, 2^{1031130111013} is an apocalyptic number.

It is an amenable number.

1031130111013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031130111013 is an equidigital number, since it uses as much as digits as its factorization.

1031130111013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 16.

Adding to 1031130111013 its reverse (3101110311301), we get a palindrome (4132240422314).

The spelling of 1031130111013 in words is "one trillion, thirty-one billion, one hundred thirty million, one hundred eleven thousand, thirteen".