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31253232040532 = 2276691018817057
BaseRepresentation
bin1110001101100101101011…
…10010110011101001010100
311002122210001110212201012022
413012302311302303221110
513044023104400244112
6150245311523112312
76403654140102545
oct706626562635124
9132583043781168
1031253232040532
119a5a46a798077
123609104212698
131459223273198
147a09435704cc
15392e7ce85d72
hex1c6cb5cb3a54

31253232040532 has 12 divisors (see below), whose sum is σ = 54700287844020. Its totient is φ = 15624578370816.

The previous prime is 31253232040483. The next prime is 31253232040627. The reversal of 31253232040532 is 23504023235213.

It can be written as a sum of positive squares in 2 ways, for example, as 18139302468676 + 13113929571856 = 4259026^2 + 3621316^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31253232040492 and 31253232040501.

It is a congruent number.

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, 509377853 + ... + 509439204.

It is an arithmetic number, because the mean of its divisors is an integer number (4558357320335).

Almost surely, 231253232040532 is an apocalyptic number.

It is an amenable number.

31253232040532 is a deficient number, since it is larger than the sum of its proper divisors (23447055803488).

31253232040532 is a wasteful number, since it uses less digits than its factorization.

31253232040532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018824730 (or 1018824728 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 35.

Adding to 31253232040532 its reverse (23504023235213), we get a palindrome (54757255275745).

The spelling of 31253232040532 in words is "thirty-one trillion, two hundred fifty-three billion, two hundred thirty-two million, forty thousand, five hundred thirty-two".

Divisors: 1 2 4 7669 15338 30676 1018817057 2037634114 4075268228 7813308010133 15626616020266 31253232040532