412117181531 has 4 divisors (see below), whose sum is σ = 449582379864. Its totient is φ = 374651983200.

The previous prime is 412117181519. The next prime is 412117181549. The reversal of 412117181531 is 135181711214.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 412117181531 - 2⁶ = 412117181467 is a prime.

It is a super-2 number, since 2×412117181531² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 412117181491 and 412117181500.

It is not an unprimeable number, because it can be changed into a prime (412117181731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18732599150 + ... + 18732599171.

It is an arithmetic number, because the mean of its divisors is an integer number (112395594966).

Almost surely, 2^412117181531 is an apocalyptic number.

412117181531 is a deficient number, since it is larger than the sum of its proper divisors (37465198333).

412117181531 is a wasteful number, since it uses less digits than its factorization.

412117181531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37465198332.

The product of its digits is 6720, while the sum is 35.

Adding to 412117181531 its reverse (135181711214), we get a palindrome (547298892745).

The spelling of 412117181531 in words is "four hundred twelve billion, one hundred seventeen million, one hundred eighty-one thousand, five hundred thirty-one".