211332012031 has 16 divisors (see below), whose sum is σ = 247911425280. Its totient is φ = 176407269120.

The previous prime is 211332012029. The next prime is 211332012041. The reversal of 211332012031 is 130210233112.

It is a cyclic number.

It is not a de Polignac number, because 211332012031 - 2¹ = 211332012029 is a prime.

It is a super-2 number, since 2×211332012031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211332012041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2346930 + ... + 2435311.

It is an arithmetic number, because the mean of its divisors is an integer number (15494464080).

Almost surely, 2^211332012031 is an apocalyptic number.

211332012031 is a deficient number, since it is larger than the sum of its proper divisors (36579413249).

211332012031 is a wasteful number, since it uses less digits than its factorization.

211332012031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4782414.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 211332012031 its reverse (130210233112), we get a palindrome (341542245143).

The spelling of 211332012031 in words is "two hundred eleven billion, three hundred thirty-two million, twelve thousand, thirty-one".