1031034371491 has 2 divisors, whose sum is σ = 1031034371492. Its totient is φ = 1031034371490.

The previous prime is 1031034371371. The next prime is 1031034371567. The reversal of 1031034371491 is 1941734301301.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1031034371491 - 2²¹ = 1031032274339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1031034371491.

It is not a weakly prime, because it can be changed into another prime (1031034371791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515517185745 + 515517185746.

It is an arithmetic number, because the mean of its divisors is an integer number (515517185746).

Almost surely, 2^{1031034371491} is an apocalyptic number.

1031034371491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031034371491 is an equidigital number, since it uses as much as digits as its factorization.

1031034371491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 37.

Adding to 1031034371491 its reverse (1941734301301), we get a palindrome (2972768672792).

The spelling of 1031034371491 in words is "one trillion, thirty-one billion, thirty-four million, three hundred seventy-one thousand, four hundred ninety-one".