412031321 has 12 divisors (see below), whose sum is σ = 468314532. Its totient is φ = 360314784.

The previous prime is 412031311. The next prime is 412031351. The reversal of 412031321 is 123130214.

It can be written as a sum of positive squares in 2 ways, for example, as 154878025 + 257153296 = 12445^2 + 16036^2 .

It is a de Polignac number, because none of the positive numbers 2^k-412031321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 412031321.

It is not an unprimeable number, because it can be changed into a prime (412031311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39206 + ... + 48591.

It is an arithmetic number, because the mean of its divisors is an integer number (39026211).

Almost surely, 2^412031321 is an apocalyptic number.

It is an amenable number.

412031321 is a deficient number, since it is larger than the sum of its proper divisors (56283211).

412031321 is a wasteful number, since it uses less digits than its factorization.

412031321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87848 (or 87829 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 412031321 is about 20298.5546529796. The cubic root of 412031321 is about 744.1207415952.

Adding to 412031321 its reverse (123130214), we get a palindrome (535161535).

It can be divided in two parts, 41203 and 1321, that added together give a palindrome (42524).

The spelling of 412031321 in words is "four hundred twelve million, thirty-one thousand, three hundred twenty-one".