61031802 has 32 divisors (see below), whose sum is σ = 139188672. Its totient is φ = 17673984.

The previous prime is 61031801. The next prime is 61031807. The reversal of 61031802 is 20813016.

It is not an unprimeable number, because it can be changed into a prime (61031801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21688 + ... + 24339.

It is an arithmetic number, because the mean of its divisors is an integer number (4349646).

Almost surely, 2^61031802 is an apocalyptic number.

61031802 is an abundant number, since it is smaller than the sum of its proper divisors (78156870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61031802 is a wasteful number, since it uses less digits than its factorization.

61031802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46062.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 61031802 is about 7812.2853250505. The cubic root of 61031802 is about 393.7181154328.

Adding to 61031802 its reverse (20813016), we get a palindrome (81844818).

The spelling of 61031802 in words is "sixty-one million, thirty-one thousand, eight hundred two".