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313030322231 = 11137217995327
BaseRepresentation
bin1001000111000100000…
…11111010100000110111
31002220222121202222111012
410203202003322200313
520112041230302411
6355445410102435
731421116560104
oct4434203724067
91086877688435
10313030322231
11110834502250
125080127aa1b
1323698589153
1411217921aab
15822160018b
hex48e20fa837

313030322231 has 16 divisors (see below), whose sum is σ = 344141706240. Its totient is φ = 282363238080.

The previous prime is 313030322219. The next prime is 313030322233. The reversal of 313030322231 is 132223030313.

It is a de Polignac number, because none of the positive numbers 2k-313030322231 is a prime.

It is a super-2 number, since 2×3130303222312 (a number of 24 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 = 313030322197 and 313030322206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313030322233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3236090 + ... + 3331416.

It is an arithmetic number, because the mean of its divisors is an integer number (21508856640).

Almost surely, 2313030322231 is an apocalyptic number.

313030322231 is a deficient number, since it is larger than the sum of its proper divisors (31111384009).

313030322231 is a wasteful number, since it uses less digits than its factorization.

313030322231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97654.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 313030322231 its reverse (132223030313), we get a palindrome (445253352544).

The spelling of 313030322231 in words is "three hundred thirteen billion, thirty million, three hundred twenty-two thousand, two hundred thirty-one".

Divisors: 1 11 137 1507 2179 23969 95327 298523 1048597 3283753 13059799 143657789 207717533 2284892863 28457302021 313030322231