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3121013324 = 2211135456317
BaseRepresentation
bin1011101000000110…
…1110001001001100
322001111201220102002
42322001232021030
522342434411244
61233410051432
7140225114132
oct27201561114
98044656362
103121013324
111361804560
12731279b78
133a97a4760
14218707752
15133ee9a4e
hexba06e24c

3121013324 has 24 divisors (see below), whose sum is σ = 6416629968. Its totient is φ = 1309515840.

The previous prime is 3121013317. The next prime is 3121013327. The reversal of 3121013324 is 4233101213.

It is a junction number, because it is equal to n+sod(n) for n = 3121013296 and 3121013305.

It is not an unprimeable number, because it can be changed into a prime (3121013327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2727587 + ... + 2728730.

It is an arithmetic number, because the mean of its divisors is an integer number (267359582).

Almost surely, 23121013324 is an apocalyptic number.

It is an amenable number.

3121013324 is an abundant number, since it is smaller than the sum of its proper divisors (3295616644).

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

3121013324 is a wasteful number, since it uses less digits than its factorization.

3121013324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5456345 (or 5456343 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 3121013324 is about 55866.0301435497. The cubic root of 3121013324 is about 1461.3868919336.

Adding to 3121013324 its reverse (4233101213), we get a palindrome (7354114537).

The spelling of 3121013324 in words is "three billion, one hundred twenty-one million, thirteen thousand, three hundred twenty-four".

Divisors: 1 2 4 11 13 22 26 44 52 143 286 572 5456317 10912634 21825268 60019487 70932121 120038974 141864242 240077948 283728484 780253331 1560506662 3121013324