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3240331031 = 74431044931
BaseRepresentation
bin1100000100100011…
…1000011100010111
322100211020212112102
43001020320130113
523114011043111
61253311312315
7143204234150
oct30110703427
98324225472
103240331031
11141309a733
1276521b69b
133c841cc52
1422a4c6927
1513e71813b
hexc1238717

3240331031 has 8 divisors (see below), whose sum is σ = 3711598464. Its totient is φ = 2771154360.

The previous prime is 3240331027. The next prime is 3240331033. The reversal of 3240331031 is 1301330423.

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 3240331031 - 22 = 3240331027 is a prime.

It is a super-2 number, since 2×32403310312 = 20999490380923045922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3240330994 and 3240331012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240331033) 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, 519365 + ... + 525566.

It is an arithmetic number, because the mean of its divisors is an integer number (463949808).

Almost surely, 23240331031 is an apocalyptic number.

3240331031 is a deficient number, since it is larger than the sum of its proper divisors (471267433).

3240331031 is a wasteful number, since it uses less digits than its factorization.

3240331031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045381.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 3240331031 is about 56923.9056196955. The cubic root of 3240331031 is about 1479.7776374901. Note that the first 3 decimals are identical.

Adding to 3240331031 its reverse (1301330423), we get a palindrome (4541661454).

The spelling of 3240331031 in words is "three billion, two hundred forty million, three hundred thirty-one thousand, thirty-one".

Divisors: 1 7 443 3101 1044931 7314517 462904433 3240331031