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311141001 = 3103713667
BaseRepresentation
bin10010100010111…
…010001010001001
3210200110121012210
4102202322022021
51114123003001
650512455333
710465440423
oct2242721211
9720417183
10311141001
1114a6a3926
128824a549
134c5cbb02
142d473813
151c4aedd6
hex128ba289

311141001 has 4 divisors (see below), whose sum is σ = 414854672. Its totient is φ = 207427332.

The previous prime is 311140997. The next prime is 311141041. The reversal of 311141001 is 100141113.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 311141001 - 22 = 311140997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311141041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51856831 + ... + 51856836.

It is an arithmetic number, because the mean of its divisors is an integer number (103713668).

Almost surely, 2311141001 is an apocalyptic number.

It is an amenable number.

311141001 is a deficient number, since it is larger than the sum of its proper divisors (103713671).

311141001 is a wasteful number, since it uses less digits than its factorization.

311141001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103713670.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 311141001 is about 17639.1893521216. The cubic root of 311141001 is about 677.6192704966.

Adding to 311141001 its reverse (100141113), we get a palindrome (411282114).

The spelling of 311141001 in words is "three hundred eleven million, one hundred forty-one thousand, one".

Divisors: 1 3 103713667 311141001