2100430331 has 4 divisors (see below), whose sum is σ = 2149277592. Its totient is φ = 2051583072.

The previous prime is 2100430307. The next prime is 2100430361. The reversal of 2100430331 is 1330340012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2100430331 is a prime.

It is a super-3 number, since 3×2100430331³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100430361) 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, 24423566 + ... + 24423651.

It is an arithmetic number, because the mean of its divisors is an integer number (537319398).

Almost surely, 2^2100430331 is an apocalyptic number.

2100430331 is a deficient number, since it is larger than the sum of its proper divisors (48847261).

2100430331 is an equidigital number, since it uses as much as digits as its factorization.

2100430331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48847260.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2100430331 is about 45830.4520051897. The cubic root of 2100430331 is about 1280.6666309042. Note that the first 4 decimals are identical.

Adding to 2100430331 its reverse (1330340012), we get a palindrome (3430770343).

The spelling of 2100430331 in words is "two billion, one hundred million, four hundred thirty thousand, three hundred thirty-one".