31323212211332 has 24 divisors (see below), whose sum is σ = 57002704335360. Its totient is φ = 15042380289440.

The previous prime is 31323212211323. The next prime is 31323212211341. The reversal of 31323212211332 is 23311221232313.

It is an interprime number because it is at equal distance from previous prime (31323212211323) and next prime (31323212211341).

It is a super-2 number, since 2×31323212211332² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 31323212211295 and 31323212211304.

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, 706856618 + ... + 706900929.

It is an arithmetic number, because the mean of its divisors is an integer number (2375112680640).

Almost surely, 2^{31323212211332} is an apocalyptic number.

It is an amenable number.

31323212211332 is a deficient number, since it is larger than the sum of its proper divisors (25679492124028).

31323212211332 is a wasteful number, since it uses less digits than its factorization.

31323212211332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413757771 (or 1413757769 counting only the distinct ones).

The product of its digits is 7776, while the sum is 29.

Adding to 31323212211332 its reverse (23311221232313), we get a palindrome (54634433443645).

The spelling of 31323212211332 in words is "thirty-one trillion, three hundred twenty-three billion, two hundred twelve million, two hundred eleven thousand, three hundred thirty-two".