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31313150022424 = 23191583130137439
BaseRepresentation
bin1110001111010101010010…
…01011110001001100011000
311002212111201021010120020211
413013222221023301030120
513101013312401204144
6150333021301300504
76411205022410444
oct707525113611430
9132774637116224
1031313150022424
119a82917945776
123618846704734
131461a81a1453a
147a37c9193824
153947d83d7034
hex1c7aa92f1318

31313150022424 has 32 divisors (see below), whose sum is σ = 61841311488000. Its totient is φ = 14823174737952.

The previous prime is 31313150022373. The next prime is 31313150022431. The reversal of 31313150022424 is 42422005131313.

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, 64828104 + ... + 65309335.

It is an arithmetic number, because the mean of its divisors is an integer number (1932540984000).

Almost surely, 231313150022424 is an apocalyptic number.

It is an amenable number.

31313150022424 is a deficient number, since it is larger than the sum of its proper divisors (30528161465576).

31313150022424 is a wasteful number, since it uses less digits than its factorization.

31313150022424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130139047 (or 130139043 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 31313150022424 its reverse (42422005131313), we get a palindrome (73735155153737).

The spelling of 31313150022424 in words is "thirty-one trillion, three hundred thirteen billion, one hundred fifty million, twenty-two thousand, four hundred twenty-four".

Divisors: 1 2 4 8 19 38 76 152 1583 3166 6332 12664 30077 60154 120308 240616 130137439 260274878 520549756 1041099512 2472611341 4945222682 9890445364 19780890728 206007565937 412015131874 824030263748 1648060527496 3914143752803 7828287505606 15656575011212 31313150022424