2101320430 has 32 divisors (see below), whose sum is σ = 4259340288. Its totient is φ = 739466400.

The previous prime is 2101320427. The next prime is 2101320439. The reversal of 2101320430 is 340231012.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101320439) 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, 304702 + ... + 311521.

It is an arithmetic number, because the mean of its divisors is an integer number (133104384).

Almost surely, 2^2101320430 is an apocalyptic number.

2101320430 is an abundant number, since it is smaller than the sum of its proper divisors (2158019858).

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

2101320430 is a wasteful number, since it uses less digits than its factorization.

2101320430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616272.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2101320430 is about 45840.1617580043. The cubic root of 2101320430 is about 1280.8475079824.

Adding to 2101320430 its reverse (340231012), we get a palindrome (2441551442).

The spelling of 2101320430 in words is "two billion, one hundred one million, three hundred twenty thousand, four hundred thirty".