211315454330 has 32 divisors (see below), whose sum is σ = 387485743680. Its totient is φ = 82949391360.

The previous prime is 211315454309. The next prime is 211315454369. The reversal of 211315454330 is 33454513112.

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, 30065 + ... + 650795.

It is an arithmetic number, because the mean of its divisors is an integer number (12108929490).

Almost surely, 2^211315454330 is an apocalyptic number.

211315454330 is a deficient number, since it is larger than the sum of its proper divisors (176170289350).

211315454330 is a wasteful number, since it uses less digits than its factorization.

211315454330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621374.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 211315454330 its reverse (33454513112), we get a palindrome (244769967442).

The spelling of 211315454330 in words is "two hundred eleven billion, three hundred fifteen million, four hundred fifty-four thousand, three hundred thirty".