31053863 has 2 divisors, whose sum is σ = 31053864. Its totient is φ = 31053862.

The previous prime is 31053853. The next prime is 31053877. The reversal of 31053863 is 36835013.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31053863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31053823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15526931 + 15526932.

It is an arithmetic number, because the mean of its divisors is an integer number (15526932).

Almost surely, 2^31053863 is an apocalyptic number.

31053863 is a deficient number, since it is larger than the sum of its proper divisors (1).

31053863 is an equidigital number, since it uses as much as digits as its factorization.

31053863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 31053863 is about 5572.5993037361. The cubic root of 31053863 is about 314.3198999512.

Adding to 31053863 its reverse (36835013), we get a palindrome (67888876).

The spelling of 31053863 in words is "thirty-one million, fifty-three thousand, eight hundred sixty-three".