213311031033 has 8 divisors (see below), whose sum is σ = 284416918048. Its totient is φ = 142206249024.

The previous prime is 213311031029. The next prime is 213311031047. The reversal of 213311031033 is 330130113312.

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

It is not a de Polignac number, because 213311031033 - 2² = 213311031029 is a prime.

It is a super-2 number, since 2×213311031033² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213311031023) 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, 437985 + ... + 786417.

It is an arithmetic number, because the mean of its divisors is an integer number (35552114756).

Almost surely, 2^213311031033 is an apocalyptic number.

It is an amenable number.

213311031033 is a deficient number, since it is larger than the sum of its proper divisors (71105887015).

213311031033 is a wasteful number, since it uses less digits than its factorization.

213311031033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552503.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 213311031033 its reverse (330130113312), we get a palindrome (543441144345).

The spelling of 213311031033 in words is "two hundred thirteen billion, three hundred eleven million, thirty-one thousand, thirty-three".