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313012120131331 = 2928338139651533
BaseRepresentation
bin100011100101011101101000…
…0001110110001011100000011
31112001021122222211121120200121
41013022323100032301130003
5312011342310223200311
63025415441033201111
7122634244063614355
oct10712732016613403
91461248884546617
10313012120131331
119080a770672285
122b133a19860197
1310586bbb09667a
145741c203cb0d5
15262c26c095b71
hex11caed03b1703

313012120131331 has 8 divisors (see below), whose sum is σ = 324949831069680. Its totient is φ = 301150688496672.

The previous prime is 313012120131301. The next prime is 313012120131367. The reversal of 313012120131331 is 133131021210313.

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 313012120131331 - 27 = 313012120131203 is a prime.

It is a super-2 number, since 2×3130121201313312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313012120131296 and 313012120131305.

It is not an unprimeable number, because it can be changed into a prime (313012120131301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19069817560 + ... + 19069833973.

It is an arithmetic number, because the mean of its divisors is an integer number (40618728883710).

Almost surely, 2313012120131331 is an apocalyptic number.

313012120131331 is a deficient number, since it is larger than the sum of its proper divisors (11937710938349).

313012120131331 is a wasteful number, since it uses less digits than its factorization.

313012120131331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38139651845.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 313012120131331 its reverse (133131021210313), we get a palindrome (446143141341644).

The spelling of 313012120131331 in words is "three hundred thirteen trillion, twelve billion, one hundred twenty million, one hundred thirty-one thousand, three hundred thirty-one".

Divisors: 1 29 283 8207 38139651533 1106049894457 10793521383839 313012120131331