61313223806 has 8 divisors (see below), whose sum is σ = 92297131344. Its totient is φ = 30547513360.

The previous prime is 61313223773. The next prime is 61313223817. The reversal of 61313223806 is 60832231316.

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

It is a super-2 number, since 2×61313223806² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54548570 + ... + 54549693.

It is an arithmetic number, because the mean of its divisors is an integer number (11537141418).

Almost surely, 2^61313223806 is an apocalyptic number.

61313223806 is a deficient number, since it is larger than the sum of its proper divisors (30983907538).

61313223806 is a wasteful number, since it uses less digits than its factorization.

61313223806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109098546.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 61313223806 in words is "sixty-one billion, three hundred thirteen million, two hundred twenty-three thousand, eight hundred six".