31053211 has 6 divisors (see below), whose sum is σ = 36123180. Its totient is φ = 26616996.

The previous prime is 31053179. The next prime is 31053221. The reversal of 31053211 is 11235013.

It is not a de Polignac number, because 31053211 - 2⁵ = 31053179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31053221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 316821 + ... + 316918.

It is an arithmetic number, because the mean of its divisors is an integer number (6020530).

Almost surely, 2^31053211 is an apocalyptic number.

31053211 is a deficient number, since it is larger than the sum of its proper divisors (5069969).

31053211 is an equidigital number, since it uses as much as digits as its factorization.

31053211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633753 (or 633746 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 31053211 is about 5572.5408029013. The cubic root of 31053211 is about 314.3177001389.

Adding to 31053211 its reverse (11235013), we get a palindrome (42288224).

The spelling of 31053211 in words is "thirty-one million, fifty-three thousand, two hundred eleven".