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3130202231 = 131724158771
BaseRepresentation
bin1011101010010011…
…0001100001110111
322002011000202012222
42322210301201313
522402312432411
61234335032555
7140366165012
oct27244614167
98064022188
103130202231
111366a102a2
1273436b75b
133ab671090
14219a1a379
15134c124db
hexba931877

3130202231 has 16 divisors (see below), whose sum is σ = 3584151648. Its totient is φ = 2708121600.

The previous prime is 3130202221. The next prime is 3130202263. The reversal of 3130202231 is 1322020313.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3130202231 is a prime.

It is a super-2 number, since 2×31302022312 = 19596332013914754722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130202221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23876 + ... + 82646.

It is an arithmetic number, because the mean of its divisors is an integer number (224009478).

Almost surely, 23130202231 is an apocalyptic number.

3130202231 is a deficient number, since it is larger than the sum of its proper divisors (453949417).

3130202231 is a wasteful number, since it uses less digits than its factorization.

3130202231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59042.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 3130202231 is about 55948.2102573442. The cubic root of 3130202231 is about 1462.8196948470.

Adding to 3130202231 its reverse (1322020313), we get a palindrome (4452222544).

The spelling of 3130202231 in words is "three billion, one hundred thirty million, two hundred two thousand, two hundred thirty-one".

Divisors: 1 13 17 221 241 3133 4097 53261 58771 764023 999107 12988391 14163811 184129543 240784787 3130202231