412331531 has 2 divisors, whose sum is σ = 412331532. Its totient is φ = 412331530.

The previous prime is 412331509. The next prime is 412331533. The reversal of 412331531 is 135133214.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 412331531 - 2²⁶ = 345222667 is a prime.

It is a super-2 number, since 2×412331531² = 340034582913607922, which contains 22 as substring.

Together with 412331533, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 412331497 and 412331506.

It is not a weakly prime, because it can be changed into another prime (412331533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206165765 + 206165766.

It is an arithmetic number, because the mean of its divisors is an integer number (206165766).

Almost surely, 2^412331531 is an apocalyptic number.

412331531 is a deficient number, since it is larger than the sum of its proper divisors (1).

412331531 is an equidigital number, since it uses as much as digits as its factorization.

412331531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 23.

The square root of 412331531 is about 20305.9481679630. The cubic root of 412331531 is about 744.3014222402.

Adding to 412331531 its reverse (135133214), we get a palindrome (547464745).

The spelling of 412331531 in words is "four hundred twelve million, three hundred thirty-one thousand, five hundred thirty-one".