31049463 has 16 divisors (see below), whose sum is σ = 43950816. Its totient is φ = 19430400.

The previous prime is 31049461. The next prime is 31049479. The reversal of 31049463 is 36494013.

It is not a de Polignac number, because 31049463 - 2¹ = 31049461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31049463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31049461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30145 + ... + 31157.

It is an arithmetic number, because the mean of its divisors is an integer number (2746926).

Almost surely, 2^31049463 is an apocalyptic number.

31049463 is a deficient number, since it is larger than the sum of its proper divisors (12901353).

31049463 is a wasteful number, since it uses less digits than its factorization.

31049463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 31049463 is about 5572.2045009134. The cubic root of 31049463 is about 314.3050539949.

The spelling of 31049463 in words is "thirty-one million, forty-nine thousand, four hundred sixty-three".