612016031 has 8 divisors (see below), whose sum is σ = 706927824. Its totient is φ = 523649920.

The previous prime is 612016019. The next prime is 612016057. The reversal of 612016031 is 130610216.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-612016031 is a prime.

It is a super-2 number, since 2×612016031² = 749127244401985922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 612015994 and 612016012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612016091) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1636220 + ... + 1636593.

It is an arithmetic number, because the mean of its divisors is an integer number (88365978).

Almost surely, 2^612016031 is an apocalyptic number.

612016031 is a deficient number, since it is larger than the sum of its proper divisors (94911793).

612016031 is a wasteful number, since it uses less digits than its factorization.

612016031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3272841.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 612016031 is about 24738.9577589679. The cubic root of 612016031 is about 849.0258880019.

Adding to 612016031 its reverse (130610216), we get a palindrome (742626247).

The spelling of 612016031 in words is "six hundred twelve million, sixteen thousand, thirty-one".