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331012030131 = 32233318148193
BaseRepresentation
bin1001101000100011101…
…10101011111010110011
31011122101210112101110200
410310101312223322303
520410403034431011
6412022000330243
732625533555346
oct4642166537263
91148353471420
10331012030131
11118421730572
125419b313983
13252a2a837b3
1412041b4a45d
158925093856
hex4d11dabeb3

331012030131 has 24 divisors (see below), whose sum is σ = 498942072096. Its totient is φ = 211069393920.

The previous prime is 331012030061. The next prime is 331012030183. The reversal of 331012030131 is 131030210133.

It is a happy number.

331012030131 is a `hidden beast` number, since 3 + 310 + 1 + 20 + 301 + 31 = 666.

It is not a de Polignac number, because 331012030131 - 29 = 331012029619 is a prime.

It is a super-2 number, since 2×3310120301312 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331012037131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6844371 + ... + 6892563.

It is an arithmetic number, because the mean of its divisors is an integer number (20789253004).

Almost surely, 2331012030131 is an apocalyptic number.

331012030131 is a deficient number, since it is larger than the sum of its proper divisors (167930041965).

331012030131 is a wasteful number, since it uses less digits than its factorization.

331012030131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81403 (or 81400 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 331012030131 its reverse (131030210133), we get a palindrome (462042240264).

The spelling of 331012030131 in words is "three hundred thirty-one billion, twelve million, thirty thousand, one hundred thirty-one".

Divisors: 1 3 9 23 69 207 33181 48193 99543 144579 298629 433737 763163 1108439 2289489 3325317 6868467 9975951 1599091933 4797275799 14391827397 36779114459 110337343377 331012030131