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31334664441 = 310444888147
BaseRepresentation
bin11101001011101100…
…010000100011111001
32222212202200212210110
4131023230100203321
51003133133230231
622221150334533
72156334152553
oct351354204371
988782625713
1031334664441
111231a6681a3
1260a5aba449
132c54a49182
1417337d04d3
15c35db5046
hex74bb108f9

31334664441 has 4 divisors (see below), whose sum is σ = 41779552592. Its totient is φ = 20889776292.

The previous prime is 31334664337. The next prime is 31334664457. The reversal of 31334664441 is 14446643313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 31334664441 - 229 = 30797793529 is a prime.

It is a super-2 number, since 2×313346644412 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31334664441.

It is not an unprimeable number, because it can be changed into a prime (31334664041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5222444071 + ... + 5222444076.

It is an arithmetic number, because the mean of its divisors is an integer number (10444888148).

Almost surely, 231334664441 is an apocalyptic number.

It is an amenable number.

31334664441 is a deficient number, since it is larger than the sum of its proper divisors (10444888151).

31334664441 is a wasteful number, since it uses less digits than its factorization.

31334664441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10444888150.

The product of its digits is 248832, while the sum is 39.

The spelling of 31334664441 in words is "thirty-one billion, three hundred thirty-four million, six hundred sixty-four thousand, four hundred forty-one".

Divisors: 1 3 10444888147 31334664441