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31074764401 = 173317931197
BaseRepresentation
bin11100111100001100…
…110100011001110001
32222012122122120222001
4130330030310121301
51002120114430101
622135304014001
72150030065522
oct347414643161
988178576861
1031074764401
11121a699247a
126032a61301
132c12c4b575
14170b098849
15c1d177901
hex73c334671

31074764401 has 4 divisors (see below), whose sum is σ = 31092697332. Its totient is φ = 31056831472.

The previous prime is 31074764381. The next prime is 31074764407. The reversal of 31074764401 is 10446747013.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4432363776 + 26642400625 = 66576^2 + 163225^2 .

It is a cyclic number.

It is not a de Polignac number, because 31074764401 - 227 = 30940546673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31074764407) 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, 8963866 + ... + 8967331.

It is an arithmetic number, because the mean of its divisors is an integer number (7773174333).

Almost surely, 231074764401 is an apocalyptic number.

It is an amenable number.

31074764401 is a deficient number, since it is larger than the sum of its proper divisors (17932931).

31074764401 is a wasteful number, since it uses less digits than its factorization.

31074764401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17932930.

The product of its (nonzero) digits is 56448, while the sum is 37.

The spelling of 31074764401 in words is "thirty-one billion, seventy-four million, seven hundred sixty-four thousand, four hundred one".

Divisors: 1 1733 17931197 31074764401