61031036 has 12 divisors (see below), whose sum is σ = 116513880. Its totient is φ = 27741360.

The previous prime is 61031017. The next prime is 61031053. The reversal of 61031036 is 63013016.

61031036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 61030999 and 61031017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693491 + ... + 693578.

It is an arithmetic number, because the mean of its divisors is an integer number (9709490).

Almost surely, 2^61031036 is an apocalyptic number.

It is an amenable number.

61031036 is a deficient number, since it is larger than the sum of its proper divisors (55482844).

61031036 is a wasteful number, since it uses less digits than its factorization.

61031036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387084 (or 1387082 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 61031036 is about 7812.2362995496. The cubic root of 61031036 is about 393.7164682623.

The spelling of 61031036 in words is "sixty-one million, thirty-one thousand, thirty-six".