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31240324315412 = 22198091111945697
BaseRepresentation
bin1110001101001101101000…
…11011101111100100010100
311002121112201220201100001222
413012212310123233210110
513043320141011043122
6150235335025505512
76403016234204102
oct706466433574424
9132545656640058
1031240324315412
119a54a46708153
1236067014a2298
131457c4703ba04
147a007b184c72
15392974baeb42
hex1c69b46ef914

31240324315412 has 48 divisors (see below), whose sum is σ = 57625543584000. Its totient is φ = 14778103947264.

The previous prime is 31240324315367. The next prime is 31240324315441. The reversal of 31240324315412 is 21451342304213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 683617748 + ... + 683663444.

It is an arithmetic number, because the mean of its divisors is an integer number (1200532158000).

Almost surely, 231240324315412 is an apocalyptic number.

It is an amenable number.

31240324315412 is a deficient number, since it is larger than the sum of its proper divisors (26385219268588).

31240324315412 is a wasteful number, since it uses less digits than its factorization.

31240324315412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57648 (or 57646 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 31240324315412 its reverse (21451342304213), we get a palindrome (52691666619625).

The spelling of 31240324315412 in words is "thirty-one trillion, two hundred forty billion, three hundred twenty-four million, three hundred fifteen thousand, four hundred twelve".

Divisors: 1 2 4 19 38 76 809 1618 3236 11119 15371 22238 30742 44476 45697 61484 91394 182788 211261 422522 845044 868243 1736486 3472972 8995271 17990542 35981084 36968873 73937746 147875492 170910149 341820298 508104943 683640596 702408587 1016209886 1404817174 2032419772 2809634348 9653993917 19307987834 38615975668 411056898887 822113797774 1644227595548 7810081078853 15620162157706 31240324315412