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31203304013432 = 233900413001679
BaseRepresentation
bin1110001100001000101011…
…10110011111111001111000
311002111000011220111010211102
413012010111312133321320
513042213331311412212
6150210333332150532
76400235650631405
oct706042566377170
9132430156433742
1031203304013432
119a40279713361
1235bb4ab468448
1314545c73b2c95
1479c3686172ac
15391a09aab5c2
hex1c6115d9fe78

31203304013432 has 8 divisors (see below), whose sum is σ = 58506195025200. Its totient is φ = 15601652006712.

The previous prime is 31203304013429. The next prime is 31203304013489. The reversal of 31203304013432 is 23431040330213.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×312033040134323 (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31203304013395 and 31203304013404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1950206500832 + ... + 1950206500847.

It is an arithmetic number, because the mean of its divisors is an integer number (7313274378150).

Almost surely, 231203304013432 is an apocalyptic number.

It is an amenable number.

31203304013432 is a deficient number, since it is larger than the sum of its proper divisors (27302891011768).

31203304013432 is a wasteful number, since it uses less digits than its factorization.

31203304013432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3900413001685 (or 3900413001681 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 31203304013432 its reverse (23431040330213), we get a palindrome (54634344343645).

The spelling of 31203304013432 in words is "thirty-one trillion, two hundred three billion, three hundred four million, thirteen thousand, four hundred thirty-two".

Divisors: 1 2 4 8 3900413001679 7800826003358 15601652006716 31203304013432