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132210121231 = 157842102683
BaseRepresentation
bin111101100100001010…
…1100101101000001111
3110122020221200000222201
41323020111211220033
54131231242334411
6140423025422331
712360201326326
oct1731025455017
9418227600881
10132210121231
1151085191a01
1221758a9a9a7
13c60ca3ac86
146582c1d0bd
15368bdce3c1
hex1ec8565a0f

132210121231 has 4 divisors (see below), whose sum is σ = 133052224072. Its totient is φ = 131368018392.

The previous prime is 132210121181. The next prime is 132210121259. The reversal of 132210121231 is 132121012231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-132210121231 is a prime.

It is a super-2 number, since 2×1322101212312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132210121199 and 132210121208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132210121261) 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 3 ways as a sum of consecutive naturals, for example, 421051185 + ... + 421051498.

It is an arithmetic number, because the mean of its divisors is an integer number (33263056018).

Almost surely, 2132210121231 is an apocalyptic number.

132210121231 is a deficient number, since it is larger than the sum of its proper divisors (842102841).

132210121231 is an equidigital number, since it uses as much as digits as its factorization.

132210121231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842102840.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 132210121231 its reverse (132121012231), we get a palindrome (264331133462).

The spelling of 132210121231 in words is "one hundred thirty-two billion, two hundred ten million, one hundred twenty-one thousand, two hundred thirty-one".

Divisors: 1 157 842102683 132210121231