61535036100231 has 6 divisors (see below), whose sum is σ = 88883941033680. Its totient is φ = 41023357400148.

The previous prime is 61535036100221. The next prime is 61535036100257. The reversal of 61535036100231 is 13200163053516.

61535036100231 is a `hidden beast` number, since 6 + 1 + 5 + 3 + 5 + 0 + 3 + 610 + 0 + 2 + 31 = 666.

It is not a de Polignac number, because 61535036100231 - 2⁷ = 61535036100103 is a prime.

It is a super-2 number, since 2×61535036100231² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61535036100221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3418613116671 + ... + 3418613116688.

It is an arithmetic number, because the mean of its divisors is an integer number (14813990172280).

Almost surely, 2^{61535036100231} is an apocalyptic number.

61535036100231 is a deficient number, since it is larger than the sum of its proper divisors (27348904933449).

61535036100231 is a wasteful number, since it uses less digits than its factorization.

61535036100231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6837226233365 (or 6837226233362 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

Adding to 61535036100231 its reverse (13200163053516), we get a palindrome (74735199153747).

The spelling of 61535036100231 in words is "sixty-one trillion, five hundred thirty-five billion, thirty-six million, one hundred thousand, two hundred thirty-one".