31238053 has 8 divisors (see below), whose sum is σ = 38946240. Its totient is φ = 24341280.

The previous prime is 31238003. The next prime is 31238057. The reversal of 31238053 is 35083213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31238053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31238057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202768 + ... + 202921.

It is an arithmetic number, because the mean of its divisors is an integer number (4868280).

Almost surely, 2^31238053 is an apocalyptic number.

It is an amenable number.

31238053 is a deficient number, since it is larger than the sum of its proper divisors (7708187).

31238053 is a wasteful number, since it uses less digits than its factorization.

31238053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405707.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 31238053 is about 5589.1012694350. The cubic root of 31238053 is about 314.9401179527.

The spelling of 31238053 in words is "thirty-one million, two hundred thirty-eight thousand, fifty-three".