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31411230202 = 2114872931793
BaseRepresentation
bin11101010000010000…
…010101010111111010
310000002002202211021101
4131100100111113322
51003312233331302
622232523402014
72161254023422
oct352020252772
9100062684241
1031411230202
1112359903190
12610768330a
132c67876361
14173da41482
15c3c98b287
hex7504155fa

31411230202 has 16 divisors (see below), whose sum is σ = 51505756992. Its totient is φ = 14248509120.

The previous prime is 31411230197. The next prime is 31411230229. The reversal of 31411230202 is 20203211413.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 31411230202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1455183 + ... + 1476610.

It is an arithmetic number, because the mean of its divisors is an integer number (3219109812).

Almost surely, 231411230202 is an apocalyptic number.

31411230202 is a deficient number, since it is larger than the sum of its proper divisors (20094526790).

31411230202 is a wasteful number, since it uses less digits than its factorization.

31411230202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2932293.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 31411230202 its reverse (20203211413), we get a palindrome (51614441615).

The spelling of 31411230202 in words is "thirty-one billion, four hundred eleven million, two hundred thirty thousand, two hundred two".

Divisors: 1 2 11 22 487 974 5357 10714 2931793 5863586 32249723 64499446 1427783191 2855566382 15705615101 31411230202