211431402130 has 64 divisors (see below), whose sum is σ = 413461536768. Its totient is φ = 77380531200.

The previous prime is 211431402097. The next prime is 211431402163. The reversal of 211431402130 is 31204134112.

It is an interprime number because it is at equal distance from previous prime (211431402097) and next prime (211431402163).

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 31 ways as a sum of consecutive naturals, for example, 19823179 + ... + 19833841.

It is an arithmetic number, because the mean of its divisors is an integer number (6460336512).

Almost surely, 2^211431402130 is an apocalyptic number.

211431402130 is a deficient number, since it is larger than the sum of its proper divisors (202030134638).

211431402130 is a wasteful number, since it uses less digits than its factorization.

211431402130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12011.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 211431402130 its reverse (31204134112), we get a palindrome (242635536242).

The spelling of 211431402130 in words is "two hundred eleven billion, four hundred thirty-one million, four hundred two thousand, one hundred thirty".