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3130312004321 = 233131173319259
BaseRepresentation
bin101101100011010101001…
…000101001001011100001
3102002020212211021222112112
4231203111020221023201
5402241334333114241
610354013454005105
7442105023006035
oct55432510511341
912066784258475
103130312004321
11aa7615579317
124268131a6795
13199258246478
14ab7179bc1c5
155665eb881eb
hex2d8d52292e1

3130312004321 has 32 divisors (see below), whose sum is σ = 3387413053440. Its totient is φ = 2884216737600.

The previous prime is 3130312004227. The next prime is 3130312004371. The reversal of 3130312004321 is 1234002130313.

It is not a de Polignac number, because 3130312004321 - 226 = 3130244895457 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3130312004371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162527990 + ... + 162547248.

It is an arithmetic number, because the mean of its divisors is an integer number (105856657920).

Almost surely, 23130312004321 is an apocalyptic number.

3130312004321 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3130312004321 is a deficient number, since it is larger than the sum of its proper divisors (257101049119).

3130312004321 is a wasteful number, since it uses less digits than its factorization.

3130312004321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20357.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 3130312004321 its reverse (1234002130313), we get a palindrome (4364314134634).

The spelling of 3130312004321 in words is "three trillion, one hundred thirty billion, three hundred twelve million, four thousand, three hundred twenty-one".

Divisors: 1 23 31 311 713 733 7153 9641 16859 19259 22723 221743 227963 442957 522629 597029 5243149 5989549 7066853 13731667 14116847 137759627 162537619 185676019 324687481 437622257 4270548437 4390339417 10065311911 100977806591 136100521927 3130312004321