103031133245 has 4 divisors (see below), whose sum is σ = 123637359900. Its totient is φ = 82424906592.

The previous prime is 103031133221. The next prime is 103031133253. The reversal of 103031133245 is 542331130301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542331130301 = 18457 ⋅29383493.

It can be written as a sum of positive squares in 2 ways, for example, as 40717993369 + 62313139876 = 201787^2 + 249626^2 .

It is a cyclic number.

It is not a de Polignac number, because 103031133245 - 2²⁰ = 103030084669 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10303113320 + ... + 10303113329.

It is an arithmetic number, because the mean of its divisors is an integer number (30909339975).

Almost surely, 2^103031133245 is an apocalyptic number.

It is an amenable number.

103031133245 is a deficient number, since it is larger than the sum of its proper divisors (20606226655).

103031133245 is an equidigital number, since it uses as much as digits as its factorization.

103031133245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20606226654.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 103031133245 its reverse (542331130301), we get a palindrome (645362263546).

The spelling of 103031133245 in words is "one hundred three billion, thirty-one million, one hundred thirty-three thousand, two hundred forty-five".