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31402366514 = 2281217925643
BaseRepresentation
bin11101001111101110…
…100001011000110010
310000001111002111120122
4131033232201120302
51003303001212024
622232005410242
72161115465651
oct351756413062
9100044074518
1031402366514
11123548a9822
126104709982
132c65a91a7c
14173c7b5198
15c3bcd9d5e
hex74fba1632

31402366514 has 16 divisors (see below), whose sum is σ = 47294716320. Its totient is φ = 15637517280.

The previous prime is 31402366483. The next prime is 31402366517. The reversal of 31402366514 is 41566320413.

It is a super-2 number, since 2×314023665142 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31402366517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1211777 + ... + 1237419.

It is an arithmetic number, because the mean of its divisors is an integer number (2955919770).

Almost surely, 231402366514 is an apocalyptic number.

31402366514 is a deficient number, since it is larger than the sum of its proper divisors (15892349806).

31402366514 is a wasteful number, since it uses less digits than its factorization.

31402366514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28105.

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 31402366514 its reverse (41566320413), we get a palindrome (72968686927).

The spelling of 31402366514 in words is "thirty-one billion, four hundred two million, three hundred sixty-six thousand, five hundred fourteen".

Divisors: 1 2 281 562 2179 4358 25643 51286 612299 1224598 7205683 14411366 55876097 111752194 15701183257 31402366514