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31012310012302 = 243360608255957
BaseRepresentation
bin1110000110100100111011…
…01110001101000110001110
311001210202012012120121020201
413003102131232031012032
513031101202330343202
6145542505240004114
76350364644462023
oct703223556150616
9131722165517221
1031012310012302
119977279570433
12358a487a6063a
13143c5a9b64728
1479300a66d54a
1538ba7c0eb387
hex1c349db8d18e

31012310012302 has 8 divisors (see below), whose sum is σ = 47600289786456. Its totient is φ = 15145546750152.

The previous prime is 31012310012147. The next prime is 31012310012323. The reversal of 31012310012302 is 20321001321013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 31012310012302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180304127893 + ... + 180304128064.

It is an arithmetic number, because the mean of its divisors is an integer number (5950036223307).

Almost surely, 231012310012302 is an apocalyptic number.

31012310012302 is a deficient number, since it is larger than the sum of its proper divisors (16587979774154).

31012310012302 is a wasteful number, since it uses less digits than its factorization.

31012310012302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360608256002.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31012310012302 its reverse (20321001321013), we get a palindrome (51333311333315).

The spelling of 31012310012302 in words is "thirty-one trillion, twelve billion, three hundred ten million, twelve thousand, three hundred two".

Divisors: 1 2 43 86 360608255957 721216511914 15506155006151 31012310012302