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33131310137 is a prime number
BaseRepresentation
bin11110110110110001…
…111010110000111001
310011111222101221100122
4132312301322300321
51020323103411022
623115330543025
72252011326632
oct366661726071
9104458357318
1033131310137
1113061840752
126507737a75
133180033533
141864272889
15cdd9a9742
hex7b6c7ac39

33131310137 has 2 divisors, whose sum is σ = 33131310138. Its totient is φ = 33131310136.

The previous prime is 33131310071. The next prime is 33131310143. The reversal of 33131310137 is 73101313133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32970933241 + 160376896 = 181579^2 + 12664^2 .

It is an emirp because it is prime and its reverse (73101313133) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33131310137 - 214 = 33131293753 is a prime.

It is a super-2 number, since 2×331313101372 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33131310637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16565655068 + 16565655069.

It is an arithmetic number, because the mean of its divisors is an integer number (16565655069).

Almost surely, 233131310137 is an apocalyptic number.

It is an amenable number.

33131310137 is a deficient number, since it is larger than the sum of its proper divisors (1).

33131310137 is an equidigital number, since it uses as much as digits as its factorization.

33131310137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1701, while the sum is 26.

The spelling of 33131310137 in words is "thirty-three billion, one hundred thirty-one million, three hundred ten thousand, one hundred thirty-seven".