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31626053 is a prime number
BaseRepresentation
bin111100010100…
…1001101000101
32012111202210022
41320221031011
531044013203
63045504525
7532550144
oct170511505
965452708
1031626053
1116941138
12a712145
136724154
1442b375b
152b9aa38
hex1e29345

31626053 has 2 divisors, whose sum is σ = 31626054. Its totient is φ = 31626052.

The previous prime is 31626041. The next prime is 31626073. The reversal of 31626053 is 35062613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23600164 + 8025889 = 4858^2 + 2833^2 .

It is an emirp because it is prime and its reverse (35062613) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31626053 - 212 = 31621957 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31626073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15813026 + 15813027.

It is an arithmetic number, because the mean of its divisors is an integer number (15813027).

Almost surely, 231626053 is an apocalyptic number.

It is an amenable number.

31626053 is a deficient number, since it is larger than the sum of its proper divisors (1).

31626053 is an equidigital number, since it uses as much as digits as its factorization.

31626053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 31626053 is about 5623.7045619414. The cubic root of 31626053 is about 316.2386869674.

Adding to 31626053 its reverse (35062613), we get a palindrome (66688666).

The spelling of 31626053 in words is "thirty-one million, six hundred twenty-six thousand, fifty-three".