3201231000 has 128 divisors (see below), whose sum is σ = 10895938560. Its totient is φ = 776048000.

The previous prime is 3201230993. The next prime is 3201231023. The reversal of 3201231000 is 1321023.

It is a happy number.

It is a super-2 number, since 2×3201231000² = 20495759830722000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15504 + ... + 81503.

It is an arithmetic number, because the mean of its divisors is an integer number (85124520).

Almost surely, 2^3201231000 is an apocalyptic number.

3201231000 is a gapful number since it is divisible by the number (30) 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 3201231000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5447969280).

3201231000 is an abundant number, since it is smaller than the sum of its proper divisors (7694707560).

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

3201231000 is a wasteful number, since it uses less digits than its factorization.

3201231000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97042 (or 97028 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 3201231000 is about 56579.4220543123. The cubic root of 3201231000 is about 1473.8015353468.

Adding to 3201231000 its reverse (1321023), we get a palindrome (3202552023).

It can be divided in two parts, 320123 and 1000, that added together give a palindrome (321123).

The spelling of 3201231000 in words is "three billion, two hundred one million, two hundred thirty-one thousand".