46431313 has 4 divisors (see below), whose sum is σ = 46449520. Its totient is φ = 46413108.

The previous prime is 46431299. The next prime is 46431317. The reversal of 46431313 is 31313464.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 46431313 - 2⁹ = 46430801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46431317) 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, 4503 + ... + 10636.

It is an arithmetic number, because the mean of its divisors is an integer number (11612380).

Almost surely, 2^46431313 is an apocalyptic number.

It is an amenable number.

46431313 is a deficient number, since it is larger than the sum of its proper divisors (18207).

46431313 is a wasteful number, since it uses less digits than its factorization.

46431313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18206.

The product of its digits is 2592, while the sum is 25.

The square root of 46431313 is about 6814.0526120657. The cubic root of 46431313 is about 359.4211711617.

Adding to 46431313 its reverse (31313464), we get a palindrome (77744777).

The spelling of 46431313 in words is "forty-six million, four hundred thirty-one thousand, three hundred thirteen".