61310133061 has 8 divisors (see below), whose sum is σ = 61609564224. Its totient is φ = 61010785920.

The previous prime is 61310133043. The next prime is 61310133091. The reversal of 61310133061 is 16033101316.

It is a happy number.

61310133061 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 61310133061 - 2³³ = 52720198469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61310133091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1841781 + ... + 1874773.

It is an arithmetic number, because the mean of its divisors is an integer number (7701195528).

Almost surely, 2^61310133061 is an apocalyptic number.

It is an amenable number.

61310133061 is a deficient number, since it is larger than the sum of its proper divisors (299431163).

61310133061 is a wasteful number, since it uses less digits than its factorization.

61310133061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42011.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 61310133061 its reverse (16033101316), we get a palindrome (77343234377).

The spelling of 61310133061 in words is "sixty-one billion, three hundred ten million, one hundred thirty-three thousand, sixty-one".