61302203221133 has 32 divisors (see below), whose sum is σ = 70542209172480. Its totient is φ = 52184182659840.

The previous prime is 61302203221123. The next prime is 61302203221229. The reversal of 61302203221133 is 33112230220316.

It is a happy number.

It is not a de Polignac number, because 61302203221133 - 2¹² = 61302203217037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61302203221096 and 61302203221105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61302203221123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1097849891 + ... + 1097905727.

It is an arithmetic number, because the mean of its divisors is an integer number (2204444036640).

Almost surely, 2^{61302203221133} is an apocalyptic number.

It is an amenable number.

61302203221133 is a deficient number, since it is larger than the sum of its proper divisors (9240005951347).

61302203221133 is a wasteful number, since it uses less digits than its factorization.

61302203221133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57837.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 61302203221133 its reverse (33112230220316), we get a palindrome (94414433441449).

The spelling of 61302203221133 in words is "sixty-one trillion, three hundred two billion, two hundred three million, two hundred twenty-one thousand, one hundred thirty-three".