1023211332 has 288 divisors, whose sum is σ = 3315849600. Its totient is φ = 270293760.

The previous prime is 1023211307. The next prime is 1023211339. The reversal of 1023211332 is 2331123201.

1023211332 is a `hidden beast` number, since 10 + 2 + 321 + 1 + 332 = 666.

It is a super-2 number, since 2×1023211332² = 2093922859866428448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1023211339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3227638 + ... + 3227954.

Almost surely, 2^1023211332 is an apocalyptic number.

1023211332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1023211332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1657924800).

1023211332 is an abundant number, since it is smaller than the sum of its proper divisors (2292638268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1023211332 is a wasteful number, since it uses less digits than its factorization.

1023211332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1023211332 is about 31987.6746888548. The cubic root of 1023211332 is about 1007.6780079826.

Adding to 1023211332 its reverse (2331123201), we get a palindrome (3354334533).

The spelling of 1023211332 in words is "one billion, twenty-three million, two hundred eleven thousand, three hundred thirty-two".