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31141007 is a prime number
BaseRepresentation
bin111011011001…
…0110010001111
32011121010102122
41312302302033
530433003012
63031243155
7525460052
oct166626217
964533378
1031141007
111663a777
12a5194bb
1365b4441
1441c8a99
152b01e72
hex1db2c8f

31141007 has 2 divisors, whose sum is σ = 31141008. Its totient is φ = 31141006.

The previous prime is 31141001. The next prime is 31141067. The reversal of 31141007 is 70014113.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31141007 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31141001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15570503 + 15570504.

It is an arithmetic number, because the mean of its divisors is an integer number (15570504).

Almost surely, 231141007 is an apocalyptic number.

31141007 is a deficient number, since it is larger than the sum of its proper divisors (1).

31141007 is an equidigital number, since it uses as much as digits as its factorization.

31141007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 31141007 is about 5580.4127983510. The cubic root of 31141007 is about 314.6136423799.

The spelling of 31141007 in words is "thirty-one million, one hundred forty-one thousand, seven".