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31255603240132 = 2225248593094787
BaseRepresentation
bin1110001101101010000110…
…01000001101110011000100
311002200000011201201010112201
413012311003020031303010
513044042433412141012
6150250343110124244
76404066662005115
oct706650310156304
9132600151633481
1031255603240132
119a60477219467
123609666350684
1314595105b6b7b
147a0aca45420c
1539306b21d857
hex1c6d4320dcc4

31255603240132 has 12 divisors (see below), whose sum is σ = 54697345007760. Its totient is φ = 15627790380776.

The previous prime is 31255603240093. The next prime is 31255603240163. The reversal of 31255603240132 is 23104230655213.

It is a junction number, because it is equal to n+sod(n) for n = 31255603240091 and 31255603240100.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8552043 + ... + 11646829.

It is an arithmetic number, because the mean of its divisors is an integer number (4558112083980).

Almost surely, 231255603240132 is an apocalyptic number.

It is an amenable number.

31255603240132 is a deficient number, since it is larger than the sum of its proper divisors (23441741767628).

31255603240132 is a wasteful number, since it uses less digits than its factorization.

31255603240132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5619650 (or 5619648 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 31255603240132 its reverse (23104230655213), we get a palindrome (54359833895345).

The spelling of 31255603240132 in words is "thirty-one trillion, two hundred fifty-five billion, six hundred three million, two hundred forty thousand, one hundred thirty-two".

Divisors: 1 2 4 2524859 3094787 5049718 6189574 10099436 12379148 7813900810033 15627801620066 31255603240132