211003134434 has 16 divisors (see below), whose sum is σ = 324209571840. Its totient is φ = 102938493840.

The previous prime is 211003134409. The next prime is 211003134449. The reversal of 211003134434 is 434431300112.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1222754 + ... + 1384605.

It is an arithmetic number, because the mean of its divisors is an integer number (20263098240).

Almost surely, 2^211003134434 is an apocalyptic number.

211003134434 is a deficient number, since it is larger than the sum of its proper divisors (113206437406).

211003134434 is a wasteful number, since it uses less digits than its factorization.

211003134434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608345.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 211003134434 its reverse (434431300112), we get a palindrome (645434434546).

The spelling of 211003134434 in words is "two hundred eleven billion, three million, one hundred thirty-four thousand, four hundred thirty-four".