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351431013 = 3674214153
BaseRepresentation
bin10100111100100…
…110100101100101
3220111021112201110
4110330212211211
51204431243023
654512215233
711465054133
oct2474464545
9814245643
10351431013
1117041235a
129983a519
1357a6765b
1434960753
1520cbca93
hex14f26965

351431013 has 16 divisors (see below), whose sum is σ = 476812736. Its totient is φ = 230186880.

The previous prime is 351430991. The next prime is 351431063. The reversal of 351431013 is 310134153.

It is not a de Polignac number, because 351431013 - 218 = 351168869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351431063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82545 + ... + 86697.

It is an arithmetic number, because the mean of its divisors is an integer number (29800796).

Almost surely, 2351431013 is an apocalyptic number.

It is an amenable number.

351431013 is a deficient number, since it is larger than the sum of its proper divisors (125381723).

351431013 is a wasteful number, since it uses less digits than its factorization.

351431013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4644.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 351431013 is about 18746.4933520912. The cubic root of 351431013 is about 705.6890220637.

Adding to 351431013 its reverse (310134153), we get a palindrome (661565166).

The spelling of 351431013 in words is "three hundred fifty-one million, four hundred thirty-one thousand, thirteen".

Divisors: 1 3 67 201 421 1263 4153 12459 28207 84621 278251 834753 1748413 5245239 117143671 351431013