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141431331 = 331249057
BaseRepresentation
bin10000110111000…
…01001000100011
3100212010110022110
420123201020203
5242201300311
622011210403
73335101146
oct1033411043
9325113273
10141431331
117291a4a8
123b446a03
13233bb9a2
1414ad805d
15c63a8a6
hex86e1223

141431331 has 12 divisors (see below), whose sum is σ = 194858376. Its totient is φ = 91244160.

The previous prime is 141431321. The next prime is 141431333. The reversal of 141431331 is 133134141.

It is not a de Polignac number, because 141431331 - 29 = 141430819 is a prime.

It is a super-2 number, since 2×1414313312 = 40005642776863122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 141431298 and 141431307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141431333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21646 + ... + 27411.

It is an arithmetic number, because the mean of its divisors is an integer number (16238198).

Almost surely, 2141431331 is an apocalyptic number.

141431331 is a deficient number, since it is larger than the sum of its proper divisors (53427045).

141431331 is an equidigital number, since it uses as much as digits as its factorization.

141431331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49122 (or 49091 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

The square root of 141431331 is about 11892.4905297419. The cubic root of 141431331 is about 521.0129797840.

Adding to 141431331 its reverse (133134141), we get a palindrome (274565472).

The spelling of 141431331 in words is "one hundred forty-one million, four hundred thirty-one thousand, three hundred thirty-one".

Divisors: 1 3 31 93 961 2883 49057 147171 1520767 4562301 47143777 141431331