211312430455 has 8 divisors (see below), whose sum is σ = 289799904672. Its totient is φ = 144899952288.

The previous prime is 211312430449. The next prime is 211312430489. The reversal of 211312430455 is 554034213112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211312430455 - 2⁵ = 211312430423 is a prime.

It is a Duffinian number.

It is a congruent 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, 3018748972 + ... + 3018749041.

It is an arithmetic number, because the mean of its divisors is an integer number (36224988084).

Almost surely, 2^211312430455 is an apocalyptic number.

211312430455 is a deficient number, since it is larger than the sum of its proper divisors (78487474217).

211312430455 is an equidigital number, since it uses as much as digits as its factorization.

211312430455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6037498025.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 211312430455 its reverse (554034213112), we get a palindrome (765346643567).

The spelling of 211312430455 in words is "two hundred eleven billion, three hundred twelve million, four hundred thirty thousand, four hundred fifty-five".