211411031004 has 18 divisors (see below), whose sum is σ = 534400106240. Its totient is φ = 70470343656.

The previous prime is 211411030933. The next prime is 211411031009. The reversal of 211411031004 is 400130114112.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211411031009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2936264284 + ... + 2936264355.

Almost surely, 2^211411031004 is an apocalyptic number.

It is an amenable number.

211411031004 is an abundant number, since it is smaller than the sum of its proper divisors (322989075236).

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

211411031004 is a wasteful number, since it uses less digits than its factorization.

211411031004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5872528649 (or 5872528644 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 211411031004 its reverse (400130114112), we get a palindrome (611541145116).

The spelling of 211411031004 in words is "two hundred eleven billion, four hundred eleven million, thirty-one thousand, four".