211431010152 has 64 divisors (see below), whose sum is σ = 547156108800. Its totient is φ = 68002986240.

The previous prime is 211431010139. The next prime is 211431010183. The reversal of 211431010152 is 251010134112.

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, 993702 + ... + 1187562.

It is an arithmetic number, because the mean of its divisors is an integer number (8549314200).

Almost surely, 2^211431010152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211431010152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273578054400).

211431010152 is an abundant number, since it is smaller than the sum of its proper divisors (335725098648).

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

211431010152 is a wasteful number, since it uses less digits than its factorization.

211431010152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195466 (or 195462 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 211431010152 its reverse (251010134112), we get a palindrome (462441144264).

The spelling of 211431010152 in words is "two hundred eleven billion, four hundred thirty-one million, ten thousand, one hundred fifty-two".