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31203540302341 = 1136135651138937
BaseRepresentation
bin1110001100001001000111…
…11011110111101000000101
311002111000210101002212021111
413012010203323313220011
513042214322304133331
6150210413012445021
76400244550226351
oct706044373675005
9132430711085244
1031203540302341
119a40390031750
1235bb556619771
1314546343348c4
1479c38bb64461
15391a206d2db1
hex1c6123ef7a05

31203540302341 has 16 divisors (see below), whose sum is σ = 34055917915968. Its totient is φ = 28353781008000.

The previous prime is 31203540302339. The next prime is 31203540302413. The reversal of 31203540302341 is 14320304530213.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 31203540302341 - 21 = 31203540302339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31203540302041) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 224518225 + ... + 224657161.

It is an arithmetic number, because the mean of its divisors is an integer number (2128494869748).

Almost surely, 231203540302341 is an apocalyptic number.

It is an amenable number.

31203540302341 is a deficient number, since it is larger than the sum of its proper divisors (2852377613627).

31203540302341 is a wasteful number, since it uses less digits than its factorization.

31203540302341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148212.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 31203540302341 its reverse (14320304530213), we get a palindrome (45523844832554).

The spelling of 31203540302341 in words is "thirty-one trillion, two hundred three billion, five hundred forty million, three hundred two thousand, three hundred forty-one".

Divisors: 1 11 3613 5651 39743 62161 138937 1528307 20417063 224587693 501979381 785132987 5521773191 8636462857 2836685482031 31203540302341