31338741 has 32 divisors (see below), whose sum is σ = 50035968. Its totient is φ = 17072640.

The previous prime is 31338721. The next prime is 31338743. The reversal of 31338741 is 14783313.

It is not a de Polignac number, because 31338741 - 2⁵ = 31338709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31338699 and 31338708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31338743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40801 + ... + 41561.

It is an arithmetic number, because the mean of its divisors is an integer number (1563624).

Almost surely, 2^31338741 is an apocalyptic number.

It is an amenable number.

31338741 is a deficient number, since it is larger than the sum of its proper divisors (18697227).

31338741 is a wasteful number, since it uses less digits than its factorization.

31338741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861.

The product of its digits is 6048, while the sum is 30.

The square root of 31338741 is about 5598.1015532053. The cubic root of 31338741 is about 315.2781317741.

The spelling of 31338741 in words is "thirty-one million, three hundred thirty-eight thousand, seven hundred forty-one".