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31301130200023 = 37982588734037
BaseRepresentation
bin1110001110111110111001…
…01111110010001111010111
311002211100200120201022200101
413013133130233302033113
513100314203312400043
6150323312442554531
76410301120534445
oct707373457621727
9132740616638611
1031301130200023
119a78809a85252
123616451208a47
1314608b772c3a8
147a2da8a95b95
1539433304d24d
hex1c77dcbf23d7

31301130200023 has 4 divisors (see below), whose sum is σ = 31383718934440. Its totient is φ = 31218541465608.

The previous prime is 31301130200017. The next prime is 31301130200029. The reversal of 31301130200023 is 32000203110313.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (31301130200017) and next prime (31301130200029).

It is a cyclic number.

It is not a de Polignac number, because 31301130200023 - 29 = 31301130199511 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 (31301130200029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41294366640 + ... + 41294367397.

It is an arithmetic number, because the mean of its divisors is an integer number (7845929733610).

Almost surely, 231301130200023 is an apocalyptic number.

31301130200023 is a deficient number, since it is larger than the sum of its proper divisors (82588734417).

31301130200023 is an equidigital number, since it uses as much as digits as its factorization.

31301130200023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82588734416.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 31301130200023 its reverse (32000203110313), we get a palindrome (63301333310336).

The spelling of 31301130200023 in words is "thirty-one trillion, three hundred one billion, one hundred thirty million, two hundred thousand, twenty-three".

Divisors: 1 379 82588734037 31301130200023