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3321312131 = 31432491607
BaseRepresentation
bin1100010111110111…
…0011001110000011
322120110122010201102
43011331303032003
523300223442011
61305323125015
7145206454514
oct30575631603
98513563642
103321312131
111454880a65
1278837376b
1340c134a67
14237166a0b
151468b273b
hexc5f73383

3321312131 has 8 divisors (see below), whose sum is σ = 3508184064. Its totient is φ = 3139423560.

The previous prime is 3321312101. The next prime is 3321312139. The reversal of 3321312131 is 1312131233.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3321312131 - 210 = 3321311107 is a prime.

It is a super-2 number, since 2×33213121312 = 22062228543055522322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3321312139) 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, 1244471 + ... + 1247136.

It is an arithmetic number, because the mean of its divisors is an integer number (438523008).

Almost surely, 23321312131 is an apocalyptic number.

3321312131 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3321312131 is a deficient number, since it is larger than the sum of its proper divisors (186871933).

3321312131 is a wasteful number, since it uses less digits than its factorization.

3321312131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2491681.

The product of its digits is 324, while the sum is 20.

The square root of 3321312131 is about 57630.8262217366. The cubic root of 3321312131 is about 1492.0036900615.

Adding to 3321312131 its reverse (1312131233), we get a palindrome (4633443364).

The spelling of 3321312131 in words is "three billion, three hundred twenty-one million, three hundred twelve thousand, one hundred thirty-one".

Divisors: 1 31 43 1333 2491607 77239817 107139101 3321312131