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31434434313 = 344323652697
BaseRepresentation
bin11101010001101000…
…110110011100001001
310000010201102201022220
4131101220312130021
51003334203344223
622235113004253
72161655166042
oct352150663411
9100121381286
1031434434313
1112370a11837
1261133b3689
132c6c60bcb9
141742b618c9
15c3ea216e3
hex751a36709

31434434313 has 8 divisors (see below), whose sum is σ = 42007191648. Its totient is φ = 20908983264.

The previous prime is 31434434293. The next prime is 31434434321. The reversal of 31434434313 is 31343443413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31434434313 - 229 = 30897563401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31434434413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11825020 + ... + 11827677.

It is an arithmetic number, because the mean of its divisors is an integer number (5250898956).

Almost surely, 231434434313 is an apocalyptic number.

It is an amenable number.

31434434313 is a deficient number, since it is larger than the sum of its proper divisors (10572757335).

31434434313 is a wasteful number, since it uses less digits than its factorization.

31434434313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23653143.

The product of its digits is 62208, while the sum is 33.

Adding to 31434434313 its reverse (31343443413), we get a palindrome (62777877726).

The spelling of 31434434313 in words is "thirty-one billion, four hundred thirty-four million, four hundred thirty-four thousand, three hundred thirteen".

Divisors: 1 3 443 1329 23652697 70958091 10478144771 31434434313