1031210013133 has 4 divisors (see below), whose sum is σ = 1037170764828. Its totient is φ = 1025249261440.

The previous prime is 1031210013107. The next prime is 1031210013139. The reversal of 1031210013133 is 3313100121301.

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

It can be written as a sum of positive squares in 2 ways, for example, as 767258620489 + 263951392644 = 875933^2 + 513762^2 .

It is a cyclic number.

It is not a de Polignac number, because 1031210013133 - 2²¹ = 1031207915981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1031210013133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031210013139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2980375588 + ... + 2980375933.

It is an arithmetic number, because the mean of its divisors is an integer number (259292691207).

Almost surely, 2^{1031210013133} is an apocalyptic number.

It is an amenable number.

1031210013133 is a deficient number, since it is larger than the sum of its proper divisors (5960751695).

1031210013133 is an equidigital number, since it uses as much as digits as its factorization.

1031210013133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5960751694.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 1031210013133 its reverse (3313100121301), we get a palindrome (4344310134434).

The spelling of 1031210013133 in words is "one trillion, thirty-one billion, two hundred ten million, thirteen thousand, one hundred thirty-three".