211231002 has 16 divisors (see below), whose sum is σ = 433880352. Its totient is φ = 68507280.

The previous prime is 211230997. The next prime is 211231049. The reversal of 211231002 is 200132112.

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, 475524 + ... + 475967.

It is an arithmetic number, because the mean of its divisors is an integer number (27117522).

Almost surely, 2^211231002 is an apocalyptic number.

211231002 is an abundant number, since it is smaller than the sum of its proper divisors (222649350).

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

211231002 is a wasteful number, since it uses less digits than its factorization.

211231002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951533.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 211231002 is about 14533.7882879860. The cubic root of 211231002 is about 595.5513586131.

Adding to 211231002 its reverse (200132112), we get a palindrome (411363114).

The spelling of 211231002 in words is "two hundred eleven million, two hundred thirty-one thousand, two".