211240344130 has 32 divisors (see below), whose sum is σ = 390559403520. Its totient is φ = 82201884480.

The previous prime is 211240344109. The next prime is 211240344151. The reversal of 211240344130 is 31443042112.

It is an interprime number because it is at equal distance from previous prime (211240344109) and next prime (211240344151).

It is a junction number, because it is equal to n+sod(n) for n = 211240344095 and 211240344104.

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, 3238135 + ... + 3302725.

It is an arithmetic number, because the mean of its divisors is an integer number (12204981360).

Almost surely, 2^211240344130 is an apocalyptic number.

211240344130 is a deficient number, since it is larger than the sum of its proper divisors (179319059390).

211240344130 is a wasteful number, since it uses less digits than its factorization.

211240344130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73474.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 211240344130 its reverse (31443042112), we get a palindrome (242683386242).

The spelling of 211240344130 in words is "two hundred eleven billion, two hundred forty million, three hundred forty-four thousand, one hundred thirty".