431231463 has 12 divisors (see below), whose sum is σ = 670804680. Its totient is φ = 265373136.

The previous prime is 431231459. The next prime is 431231473. The reversal of 431231463 is 364132134.

It is not a de Polignac number, because 431231463 - 2² = 431231459 is a prime.

It is a super-2 number, since 2×431231463² = 371921149362240738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431231453) 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, 1842753 + ... + 1842986.

It is an arithmetic number, because the mean of its divisors is an integer number (55900390).

Almost surely, 2^431231463 is an apocalyptic number.

431231463 is a deficient number, since it is larger than the sum of its proper divisors (239573217).

431231463 is a wasteful number, since it uses less digits than its factorization.

431231463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3685758 (or 3685755 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 431231463 is about 20766.1133339872. The cubic root of 431231463 is about 755.5040786784.

Adding to 431231463 its reverse (364132134), we get a palindrome (795363597).

The spelling of 431231463 in words is "four hundred thirty-one million, two hundred thirty-one thousand, four hundred sixty-three".