613321310212 has 24 divisors (see below), whose sum is σ = 1182755590016. Its totient is φ = 276488317728.

The previous prime is 613321310207. The next prime is 613321310237. The reversal of 613321310212 is 212013123316.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137144748 + ... + 137149219.

Almost surely, 2^613321310212 is an apocalyptic number.

It is an amenable number.

613321310212 is a deficient number, since it is larger than the sum of its proper divisors (569434279804).

613321310212 is a wasteful number, since it uses less digits than its factorization.

613321310212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274294027 (or 274294025 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 613321310212 its reverse (212013123316), we get a palindrome (825334433528).

The spelling of 613321310212 in words is "six hundred thirteen billion, three hundred twenty-one million, three hundred ten thousand, two hundred twelve".