Search a number
-
+
331131131202002 = 2839420421469379
BaseRepresentation
bin100101101001010010111100…
…1011100110000100111010010
31121102102211022212120000212112
41023102211321130300213102
5321400223024041431002
63132131312554425322
7126514302055561565
oct11322457134604722
91542384285500775
10331131131202002
1196565a18aa138a
123117b521a32242
131129c6bb16b201
145baab91a364dc
1528437321ad852
hex12d29797309d2

331131131202002 has 16 divisors (see below), whose sum is σ = 497290949467200. Its totient is φ = 165367483160880.

The previous prime is 331131131201999. The next prime is 331131131202017. The reversal of 331131131202002 is 200202131131133.

It is a super-2 number, since 2×3311311312020022 (a number of 30 digits) contains 22 as substring.

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, 705231749 + ... + 705701127.

It is an arithmetic number, because the mean of its divisors is an integer number (31080684341700).

Almost surely, 2331131131202002 is an apocalyptic number.

331131131202002 is a deficient number, since it is larger than the sum of its proper divisors (166159818265198).

331131131202002 is a wasteful number, since it uses less digits than its factorization.

331131131202002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890641.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 331131131202002 its reverse (200202131131133), we get a palindrome (531333262333135).

It can be divided in two parts, 331131131 and 202002, that added together give a palindrome (331333133).

The spelling of 331131131202002 in words is "three hundred thirty-one trillion, one hundred thirty-one billion, one hundred thirty-one million, two hundred two thousand, two".

Divisors: 1 2 839 1678 420421 469379 840842 938758 352733219 393808981 705466438 787617962 197336788559 394673577118 165565565601001 331131131202002