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3131200101 = 34352146589
BaseRepresentation
bin1011101010100010…
…0101001001100101
322002012220110001010
42322220211021211
522403041400401
61234412252433
7140410522161
oct27250451145
98065813033
103131200101
111367531a87
12734771119
133ab930333
14219bd9ca1
15134d5ced6
hexbaa25265

3131200101 has 16 divisors (see below), whose sum is σ = 4280316480. Its totient is φ = 2034963840.

The previous prime is 3131200099. The next prime is 3131200117. The reversal of 3131200101 is 1010021313.

It is not a de Polignac number, because 3131200101 - 21 = 3131200099 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131400101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43915 + ... + 90503.

It is an arithmetic number, because the mean of its divisors is an integer number (267519780).

Almost surely, 23131200101 is an apocalyptic number.

It is an amenable number.

3131200101 is a deficient number, since it is larger than the sum of its proper divisors (1149116379).

3131200101 is a wasteful number, since it uses less digits than its factorization.

3131200101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47156.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 3131200101 is about 55957.1273476400. The cubic root of 3131200101 is about 1462.9751213122.

Adding to 3131200101 its reverse (1010021313), we get a palindrome (4141221414).

The spelling of 3131200101 in words is "three billion, one hundred thirty-one million, two hundred thousand, one hundred one".

Divisors: 1 3 43 129 521 1563 22403 46589 67209 139767 2003327 6009981 24272869 72818607 1043733367 3131200101