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31113303004 = 2272843390851
BaseRepresentation
bin11100111110011111…
…110101001111011100
32222022100011112222201
4130332133311033130
51002210001144004
622143202021244
72151005466130
oct347637651734
988270145881
1031113303004
1112216715063
126043947824
132c1ac22b84
14171224b3c0
15c2173b6a4
hex73e7f53dc

31113303004 has 24 divisors (see below), whose sum is σ = 62248652928. Its totient is φ = 13329548400.

The previous prime is 31113302971. The next prime is 31113303079. The reversal of 31113303004 is 40030331113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115822 + ... + 275029.

It is an arithmetic number, because the mean of its divisors is an integer number (2593693872).

Almost surely, 231113303004 is an apocalyptic number.

It is an amenable number.

31113303004 is an abundant number, since it is smaller than the sum of its proper divisors (31135349924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31113303004 is a wasteful number, since it uses less digits than its factorization.

31113303004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393705 (or 393703 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 31113303004 its reverse (40030331113), we get a palindrome (71143634117).

The spelling of 31113303004 in words is "thirty-one billion, one hundred thirteen million, three hundred three thousand, four".

Divisors: 1 2 4 7 14 28 2843 5686 11372 19901 39802 79604 390851 781702 1563404 2735957 5471914 10943828 1111189393 2222378786 4444757572 7778325751 15556651502 31113303004