1031020013195 has 4 divisors (see below), whose sum is σ = 1237224015840. Its totient is φ = 824816010552.

The previous prime is 1031020013171. The next prime is 1031020013203. The reversal of 1031020013195 is 5913100201301.

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

It is a cyclic number.

It is not a de Polignac number, because 1031020013195 - 2²² = 1031015818891 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103102001315 + ... + 103102001324.

It is an arithmetic number, because the mean of its divisors is an integer number (309306003960).

Almost surely, 2^{1031020013195} is an apocalyptic number.

1031020013195 is a deficient number, since it is larger than the sum of its proper divisors (206204002645).

1031020013195 is an equidigital number, since it uses as much as digits as its factorization.

1031020013195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206204002644.

The product of its (nonzero) digits is 810, while the sum is 26.

Adding to 1031020013195 its reverse (5913100201301), we get a palindrome (6944120214496).

The spelling of 1031020013195 in words is "one trillion, thirty-one billion, twenty million, thirteen thousand, one hundred ninety-five".