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231331011013210 = 2541564221978081
BaseRepresentation
bin110100100110010011110010…
…101111001010101001011010
31010100002000202220100222001111
4310212103302233022221122
5220310111402304410320
62135555555510010534
766504054050654563
oct6446236257125132
91110060686328044
10231331011013210
1167788a26a25829
1221b415bb646a4a
139c10561482604
14411a6a2d7b16a
151bb26b5521a5a
hexd264f2bcaa5a

231331011013210 has 16 divisors (see below), whose sum is σ = 426551815429992. Its totient is φ = 90275516492800.

The previous prime is 231331011013061. The next prime is 231331011013243. The reversal of 231331011013210 is 12310110133132.

It can be written as a sum of positive squares in 4 ways, for example, as 76522097831481 + 154808913181729 = 8747691^2 + 12442223^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282110988631 + ... + 282110989450.

Almost surely, 2231331011013210 is an apocalyptic number.

231331011013210 is a deficient number, since it is larger than the sum of its proper divisors (195220804416782).

231331011013210 is a wasteful number, since it uses less digits than its factorization.

231331011013210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564221978129.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 231331011013210 its reverse (12310110133132), we get a palindrome (243641121146342).

The spelling of 231331011013210 in words is "two hundred thirty-one trillion, three hundred thirty-one billion, eleven million, thirteen thousand, two hundred ten".

Divisors: 1 2 5 10 41 82 205 410 564221978081 1128443956162 2821109890405 5642219780810 23133101101321 46266202202642 115665505506605 231331011013210