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3130101270 = 232534778903
BaseRepresentation
bin1011101010010001…
…1000111000010110
322002010211121201200
42322210120320112
522402301220040
61234332533330
7140365264452
oct27244307026
98063747650
103130101270
11136695145a
12734321246
133ab63713a
142199d1662
15134be2630
hexba918e16

3130101270 has 24 divisors (see below), whose sum is σ = 8138263536. Its totient is φ = 834693648.

The previous prime is 3130101223. The next prime is 3130101277. The reversal of 3130101270 is 721010313.

It is a super-2 number, since 2×31301012702 = 19595067920911225800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130101277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17389362 + ... + 17389541.

It is an arithmetic number, because the mean of its divisors is an integer number (339094314).

Almost surely, 23130101270 is an apocalyptic number.

3130101270 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3130101270 is an abundant number, since it is smaller than the sum of its proper divisors (5008162266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3130101270 is a wasteful number, since it uses less digits than its factorization.

3130101270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34778916 (or 34778913 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 3130101270 is about 55947.3079781324. The cubic root of 3130101270 is about 1462.8039675003.

Adding to 3130101270 its reverse (721010313), we get a palindrome (3851111583).

The spelling of 3130101270 in words is "three billion, one hundred thirty million, one hundred one thousand, two hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 34778903 69557806 104336709 173894515 208673418 313010127 347789030 521683545 626020254 1043367090 1565050635 3130101270