3121340032 has 16 divisors (see below), whose sum is σ = 6218294850. Its totient is φ = 1560669952.

The previous prime is 3121340009. The next prime is 3121340039. The reversal of 3121340032 is 2300431213.

It can be written as a sum of positive squares in only one way, i.e., 3120786496 + 553536 = 55864^2 + 744^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×3121340032² = 19485527190731522048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3121339991 and 3121340009.

It is not an unprimeable number, because it can be changed into a prime (3121340039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12192607 + ... + 12192862.

Almost surely, 2^3121340032 is an apocalyptic number.

3121340032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3121340032 is a deficient number, since it is larger than the sum of its proper divisors (3096954818).

3121340032 is an equidigital number, since it uses as much as digits as its factorization.

3121340032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24385483 (or 24385471 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3121340032 is about 55868.9540979603. The cubic root of 3121340032 is about 1461.4378828651.

Adding to 3121340032 its reverse (2300431213), we get a palindrome (5421771245).

The spelling of 3121340032 in words is "three billion, one hundred twenty-one million, three hundred forty thousand, thirty-two".