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BaseRepresentation
bin1000000110000100101111
310222210212202
420012010233
51020401111
6113252115
724015452
oct10060457
93883782
102122031
11121a34a
1286403b
13593b52
143d3499
152bdb3b
hex20612f

2122031 has 2 divisors, whose sum is σ = 2122032. Its totient is φ = 2122030.

The previous prime is 2122013. The next prime is 2122039. The reversal of 2122031 is 1302212.

It is a happy number.

Together with previous prime (2122013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2122031 - 26 = 2121967 is a prime.

It is a super-2 number, since 2×21220312 = 9006031129922, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061015 + 1061016.

It is an arithmetic number, because the mean of its divisors is an integer number (1061016).

22122031 is an apocalyptic number.

2122031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122031 is an equidigital number, since it uses as much as digits as its factorization.

2122031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2122031 is about 1456.7192591574. The cubic root of 2122031 is about 128.5041760567.

Adding to 2122031 its reverse (1302212), we get a palindrome (3424243).

The spelling of 2122031 in words is "two million, one hundred twenty-two thousand, thirty-one".