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3111214031 is a prime number
BaseRepresentation
bin1011100101110001…
…0101101111001111
322000211022001022022
42321130111233033
522332432322111
61232420040355
7140045611562
oct27134255717
98024261268
103111214031
111357221172
12729b330bb
133a7753363
142172b64d9
151332112db
hexb9715bcf

3111214031 has 2 divisors, whose sum is σ = 3111214032. Its totient is φ = 3111214030.

The previous prime is 3111214027. The next prime is 3111214039. The reversal of 3111214031 is 1304121113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3111214031 - 22 = 3111214027 is a prime.

It is a super-2 number, since 2×31112140312 = 19359305493382537922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3111214039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1555607015 + 1555607016.

It is an arithmetic number, because the mean of its divisors is an integer number (1555607016).

Almost surely, 23111214031 is an apocalyptic number.

3111214031 is a deficient number, since it is larger than the sum of its proper divisors (1).

3111214031 is an equidigital number, since it uses as much as digits as its factorization.

3111214031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 3111214031 is about 55778.2576906092. The cubic root of 3111214031 is about 1459.8558109621.

Adding to 3111214031 its reverse (1304121113), we get a palindrome (4415335144).

The spelling of 3111214031 in words is "three billion, one hundred eleven million, two hundred fourteen thousand, thirty-one".