2131133402 has 16 divisors (see below), whose sum is σ = 3343317120. Its totient is φ = 1016906352.

The previous prime is 2131133327. The next prime is 2131133419. The reversal of 2131133402 is 2043311312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32573 + ... + 72960.

It is an arithmetic number, because the mean of its divisors is an integer number (208957320).

Almost surely, 2^2131133402 is an apocalyptic number.

2131133402 is a deficient number, since it is larger than the sum of its proper divisors (1212183718).

2131133402 is a wasteful number, since it uses less digits than its factorization.

2131133402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105997.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2131133402 is about 46164.2004371353. The cubic root of 2131133402 is about 1286.8765251255.

Adding to 2131133402 its reverse (2043311312), we get a palindrome (4174444714).

The spelling of 2131133402 in words is "two billion, one hundred thirty-one million, one hundred thirty-three thousand, four hundred two".