61131203 has 8 divisors (see below), whose sum is σ = 69914208. Its totient is φ = 52360704.

The previous prime is 61131199. The next prime is 61131223. The reversal of 61131203 is 30213116.

61131203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61131203 - 2² = 61131199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61131223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12725 + ... + 16857.

It is an arithmetic number, because the mean of its divisors is an integer number (8739276).

Almost surely, 2^61131203 is an apocalyptic number.

61131203 is a deficient number, since it is larger than the sum of its proper divisors (8783005).

61131203 is a wasteful number, since it uses less digits than its factorization.

61131203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6253.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 61131203 is about 7818.6445756282. The cubic root of 61131203 is about 393.9317458446.

Adding to 61131203 its reverse (30213116), we get a palindrome (91344319).

The spelling of 61131203 in words is "sixty-one million, one hundred thirty-one thousand, two hundred three".