31264461 has 20 divisors (see below), whose sum is σ = 48214144. Its totient is φ = 20169000.

The previous prime is 31264451. The next prime is 31264477. The reversal of 31264461 is 16446213.

31264461 is a `hidden beast` number, since 3 + 12 + 644 + 6 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-31264461 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31264421) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3715 + ... + 8736.

Almost surely, 2^31264461 is an apocalyptic number.

31264461 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

31264461 is a deficient number, since it is larger than the sum of its proper divisors (16949683).

31264461 is a wasteful number, since it uses less digits than its factorization.

31264461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12494 (or 12485 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 31264461 is about 5591.4632253105. The cubic root of 31264461 is about 315.0288408967.

The spelling of 31264461 in words is "thirty-one million, two hundred sixty-four thousand, four hundred sixty-one".