2161310524 has 12 divisors (see below), whose sum is σ = 3784500664. Its totient is φ = 1080024624.

The previous prime is 2161310507. The next prime is 2161310527. The reversal of 2161310524 is 4250131612.

It is a happy number.

2161310524 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2161310527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149907 + ... + 163690.

Almost surely, 2^2161310524 is an apocalyptic number.

It is an amenable number.

2161310524 is a deficient number, since it is larger than the sum of its proper divisors (1623190140).

2161310524 is a wasteful number, since it uses less digits than its factorization.

2161310524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315324 (or 315322 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2161310524 is about 46489.8970099956. The cubic root of 2161310524 is about 1292.9221906436.

The spelling of 2161310524 in words is "two billion, one hundred sixty-one million, three hundred ten thousand, five hundred twenty-four".