31425741 has 12 divisors (see below), whose sum is σ = 48063132. Its totient is φ = 19718016.

The previous prime is 31425731. The next prime is 31425743. The reversal of 31425741 is 14752413.

It can be written as a sum of positive squares in 2 ways, for example, as 12320100 + 19105641 = 3510^2 + 4371^2 .

It is not a de Polignac number, because 31425741 - 2¹³ = 31417549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31425743) 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, 102546 + ... + 102851.

It is an arithmetic number, because the mean of its divisors is an integer number (4005261).

Almost surely, 2^31425741 is an apocalyptic number.

It is an amenable number.

31425741 is a deficient number, since it is larger than the sum of its proper divisors (16637391).

31425741 is a wasteful number, since it uses less digits than its factorization.

31425741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205420 (or 205417 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 31425741 is about 5605.8666591349. The cubic root of 31425741 is about 315.5696118341.

The spelling of 31425741 in words is "thirty-one million, four hundred twenty-five thousand, seven hundred forty-one".