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31044331051423 = 291070494174187
BaseRepresentation
bin1110000111100000100100…
…10100110001100110011111
311001220210211210210221002121
413003300102110301212133
513032112242222121143
6150005322510003411
76352610315020144
oct703602224614637
9131823753727077
1031044331051423
119989910611028
1235947237a6567
131442610b5c261
147947a728c3cb
1538c8033917ed
hex1c3c1253199f

31044331051423 has 4 divisors (see below), whose sum is σ = 32114825225640. Its totient is φ = 29973836877208.

The previous prime is 31044331051421. The next prime is 31044331051469. The reversal of 31044331051423 is 32415013344013.

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

It is a cyclic number.

It is not a de Polignac number, because 31044331051423 - 21 = 31044331051421 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 (31044331051421) 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, 535247087065 + ... + 535247087122.

It is an arithmetic number, because the mean of its divisors is an integer number (8028706306410).

Almost surely, 231044331051423 is an apocalyptic number.

31044331051423 is a deficient number, since it is larger than the sum of its proper divisors (1070494174217).

31044331051423 is a wasteful number, since it uses less digits than its factorization.

31044331051423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070494174216.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 31044331051423 its reverse (32415013344013), we get a palindrome (63459344395436).

The spelling of 31044331051423 in words is "thirty-one trillion, forty-four billion, three hundred thirty-one million, fifty-one thousand, four hundred twenty-three".

Divisors: 1 29 1070494174187 31044331051423