211020031334 has 32 divisors (see below), whose sum is σ = 365801135616. Its totient is φ = 89429644800.

The previous prime is 211020031267. The next prime is 211020031349. The reversal of 211020031334 is 433130020112.

It is a congruent 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, 217409 + ... + 685059.

It is an arithmetic number, because the mean of its divisors is an integer number (11431285488).

Almost surely, 2^211020031334 is an apocalyptic number.

211020031334 is a deficient number, since it is larger than the sum of its proper divisors (154781104282).

211020031334 is a wasteful number, since it uses less digits than its factorization.

211020031334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468020.

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

Adding to 211020031334 its reverse (433130020112), we get a palindrome (644150051446).

The spelling of 211020031334 in words is "two hundred eleven billion, twenty million, thirty-one thousand, three hundred thirty-four".