1031213232 has 180 divisors, whose sum is σ = 3392724816. Its totient is φ = 291513600.

The previous prime is 1031213219. The next prime is 1031213279. The reversal of 1031213232 is 2323121301.

1031213232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 711933 + ... + 713379.

Almost surely, 2^1031213232 is an apocalyptic number.

1031213232 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 1031213232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1696362408).

1031213232 is an abundant number, since it is smaller than the sum of its proper divisors (2361511584).

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

1031213232 is a wasteful number, since it uses less digits than its factorization.

1031213232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576 (or 1560 counting only the distinct ones).

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

The square root of 1031213232 is about 32112.5089645764. The cubic root of 1031213232 is about 1010.2979978764.

Adding to 1031213232 its reverse (2323121301), we get a palindrome (3354334533).

The spelling of 1031213232 in words is "one billion, thirty-one million, two hundred thirteen thousand, two hundred thirty-two".