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31332053 is a prime number
BaseRepresentation
bin111011110000…
…1011011010101
32011221211111102
41313201123111
531010111203
63035315445
7530214044
oct167413325
964854442
1031332053
1116760265
12a5abb85
13665039c
14423855b
152b3d888
hex1de16d5

31332053 has 2 divisors, whose sum is σ = 31332054. Its totient is φ = 31332052.

The previous prime is 31332031. The next prime is 31332073. The reversal of 31332053 is 35023313.

It is an a-pointer prime, because the next prime (31332073) can be obtained adding 31332053 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26142769 + 5189284 = 5113^2 + 2278^2 .

It is a cyclic number.

It is not a de Polignac number, because 31332053 - 210 = 31331029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31332073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15666026 + 15666027.

It is an arithmetic number, because the mean of its divisors is an integer number (15666027).

Almost surely, 231332053 is an apocalyptic number.

It is an amenable number.

31332053 is a deficient number, since it is larger than the sum of its proper divisors (1).

31332053 is an equidigital number, since it uses as much as digits as its factorization.

31332053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 20.

The square root of 31332053 is about 5597.5041759699. The cubic root of 31332053 is about 315.2557023455.

Adding to 31332053 its reverse (35023313), we get a palindrome (66355366).

The spelling of 31332053 in words is "thirty-one million, three hundred thirty-two thousand, fifty-three".