31472463 has 24 divisors (see below), whose sum is σ = 46439344. Its totient is φ = 18944640.

The previous prime is 31472449. The next prime is 31472479. The reversal of 31472463 is 36427413.

It is not a de Polignac number, because 31472463 - 2¹⁰ = 31471439 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

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 31472463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31472663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100395 + ... + 100707.

Almost surely, 2^31472463 is an apocalyptic number.

31472463 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

31472463 is a deficient number, since it is larger than the sum of its proper divisors (14966881).

31472463 is a wasteful number, since it uses less digits than its factorization.

31472463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615 (or 604 counting only the distinct ones).

The product of its digits is 12096, while the sum is 30.

The square root of 31472463 is about 5610.0323528479. The cubic root of 31472463 is about 315.7259246963.

Adding to 31472463 its reverse (36427413), we get a palindrome (67899876).

The spelling of 31472463 in words is "thirty-one million, four hundred seventy-two thousand, four hundred sixty-three".