213350531450 has 24 divisors (see below), whose sum is σ = 453522273312. Its totient is φ = 73148753520.

The previous prime is 213350531431. The next prime is 213350531503. The reversal of 213350531450 is 54135053312.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 304786124 + ... + 304786823.

It is an arithmetic number, because the mean of its divisors is an integer number (18896761388).

Almost surely, 2^213350531450 is an apocalyptic number.

213350531450 is an abundant number, since it is smaller than the sum of its proper divisors (240171741862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213350531450 is a wasteful number, since it uses less digits than its factorization.

213350531450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609572966 (or 609572961 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 213350531450 its reverse (54135053312), we get a palindrome (267485584762).

The spelling of 213350531450 in words is "two hundred thirteen billion, three hundred fifty million, five hundred thirty-one thousand, four hundred fifty".