61312230424 has 32 divisors (see below), whose sum is σ = 121024224000. Its totient is φ = 29039457312.

The previous prime is 61312230347. The next prime is 61312230449. The reversal of 61312230424 is 42403221316.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 61312230392 and 61312230401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1948077 + ... + 1979299.

It is an arithmetic number, because the mean of its divisors is an integer number (3782007000).

Almost surely, 2^61312230424 is an apocalyptic number.

It is an amenable number.

61312230424 is a deficient number, since it is larger than the sum of its proper divisors (59711993576).

61312230424 is a wasteful number, since it uses less digits than its factorization.

61312230424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44167 (or 44163 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The spelling of 61312230424 in words is "sixty-one billion, three hundred twelve million, two hundred thirty thousand, four hundred twenty-four".