212331031330 has 16 divisors (see below), whose sum is σ = 416940934464. Its totient is φ = 77211284080.

The previous prime is 212331031313. The next prime is 212331031349. The reversal of 212331031330 is 33130133212.

It is a super-2 number, since 2×212331031330² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 965140942 + ... + 965141161.

It is an arithmetic number, because the mean of its divisors is an integer number (26058808404).

Almost surely, 2^212331031330 is an apocalyptic number.

212331031330 is a deficient number, since it is larger than the sum of its proper divisors (204609903134).

212331031330 is a wasteful number, since it uses less digits than its factorization.

212331031330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930282121.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 212331031330 its reverse (33130133212), we get a palindrome (245461164542).

The spelling of 212331031330 in words is "two hundred twelve billion, three hundred thirty-one million, thirty-one thousand, three hundred thirty".