211233013031 has 8 divisors (see below), whose sum is σ = 211874928384. Its totient is φ = 210591459000.

The previous prime is 211233013027. The next prime is 211233013037. The reversal of 211233013031 is 130310332112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211233013031 - 2² = 211233013027 is a prime.

It is a super-2 number, since 2×211233013031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211233012994 and 211233013012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211233013037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1104596 + ... + 1281638.

It is an arithmetic number, because the mean of its divisors is an integer number (26484366048).

Almost surely, 2^211233013031 is an apocalyptic number.

211233013031 is a deficient number, since it is larger than the sum of its proper divisors (641915353).

211233013031 is a wasteful number, since it uses less digits than its factorization.

211233013031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180661.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 211233013031 its reverse (130310332112), we get a palindrome (341543345143).

The spelling of 211233013031 in words is "two hundred eleven billion, two hundred thirty-three million, thirteen thousand, thirty-one".