2131354018 has 32 divisors (see below), whose sum is σ = 3412316160. Its totient is φ = 996275280.

The previous prime is 2131354007. The next prime is 2131354021. The reversal of 2131354018 is 8104531312.

It is a happy 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, 401103 + ... + 406381.

It is an arithmetic number, because the mean of its divisors is an integer number (106634880).

Almost surely, 2^2131354018 is an apocalyptic number.

2131354018 is a deficient number, since it is larger than the sum of its proper divisors (1280962142).

2131354018 is a wasteful number, since it uses less digits than its factorization.

2131354018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5502.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 2131354018 is about 46166.5898459048. The cubic root of 2131354018 is about 1286.9209296280.

The spelling of 2131354018 in words is "two billion, one hundred thirty-one million, three hundred fifty-four thousand, eighteen".