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3122130312213 = 31129461909091
BaseRepresentation
bin101101011011101101011…
…101111101110000010101
3102001110202121222221220220
4231123231131331300111
5402123110324442323
610350141543544553
7441365204532213
oct55335535756025
912043677887826
103122130312213
11aa40a7192a00
1242510b15b159
13198553189233
14ab17d139cb3
155633174d0e3
hex2d6ed77dc15

3122130312213 has 24 divisors (see below), whose sum is σ = 4576172764128. Its totient is φ = 1891998108000.

The previous prime is 3122130312211. The next prime is 3122130312227.

3122130312213 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 3122130312213 - 21 = 3122130312211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3122130312211) 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, 2979798 + ... + 3888888.

It is an arithmetic number, because the mean of its divisors is an integer number (190673865172).

Almost surely, 23122130312213 is an apocalyptic number.

3122130312213 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3122130312213 is a deficient number, since it is larger than the sum of its proper divisors (1454042451915).

3122130312213 is a wasteful number, since it uses less digits than its factorization.

3122130312213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918577 (or 918566 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

It can be divided in two parts, 3122130 and 312213, that added together give a palindrome (3434343).

The spelling of 3122130312213 in words is "three trillion, one hundred twenty-two billion, one hundred thirty million, three hundred twelve thousand, two hundred thirteen".

Divisors: 1 3 11 33 121 363 9461 28383 104071 312213 909091 1144781 2727273 3434343 10000001 30000003 110000011 330000033 8600909951 25802729853 94610009461 283830028383 1040710104071 3122130312213