2131454208 has 216 divisors, whose sum is σ = 6311087104. Its totient is φ = 634798080.

The previous prime is 2131454189. The next prime is 2131454239. The reversal of 2131454208 is 8024541312.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16783041 + ... + 16783167.

Almost surely, 2^2131454208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2131454208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3155543552).

2131454208 is an abundant number, since it is smaller than the sum of its proper divisors (4179632896).

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

2131454208 is a wasteful number, since it uses less digits than its factorization.

2131454208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 2131454208 is about 46167.6749252115. The cubic root of 2131454208 is about 1286.9410943663.

The spelling of 2131454208 in words is "two billion, one hundred thirty-one million, four hundred fifty-four thousand, two hundred eight".