6131065820 has 48 divisors (see below), whose sum is σ = 14203576800. Its totient is φ = 2204421120.

The previous prime is 6131065757. The next prime is 6131065931. The reversal of 6131065820 is 285601316.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136985 + ... + 176144.

It is an arithmetic number, because the mean of its divisors is an integer number (295907850).

Almost surely, 2^6131065820 is an apocalyptic number.

It is an amenable number.

6131065820 is an abundant number, since it is smaller than the sum of its proper divisors (8072510980).

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

6131065820 is a wasteful number, since it uses less digits than its factorization.

6131065820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313238 (or 313236 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 6131065820 is about 78301.1227250287. The cubic root of 6131065820 is about 1830.2566472940.

The spelling of 6131065820 in words is "six billion, one hundred thirty-one million, sixty-five thousand, eight hundred twenty".