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231051341453 = 1971583740903
BaseRepresentation
bin1101011100101110111…
…0111010111010001101
3211002101100212021012212
43113023232322322031
512241143120411303
6254051000040205
722456444666202
oct3271356727215
9732340767185
10231051341453
1189a96505669
1238942763065
1318a324592ba
14b27bdddca9
156024521ad8
hex35cbbbae8d

231051341453 has 8 divisors (see below), whose sum is σ = 232371203328. Its totient is φ = 229732964944.

The previous prime is 231051341407. The next prime is 231051341459. The reversal of 231051341453 is 354143150132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231051341453 - 28 = 231051341197 is a prime.

It is a super-3 number, since 3×2310513414533 (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231051341459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58601 + ... + 682302.

It is an arithmetic number, because the mean of its divisors is an integer number (29046400416).

Almost surely, 2231051341453 is an apocalyptic number.

It is an amenable number.

231051341453 is a deficient number, since it is larger than the sum of its proper divisors (1319861875).

231051341453 is a wasteful number, since it uses less digits than its factorization.

231051341453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742683.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 231051341453 its reverse (354143150132), we get a palindrome (585194491585).

The spelling of 231051341453 in words is "two hundred thirty-one billion, fifty-one million, three hundred forty-one thousand, four hundred fifty-three".

Divisors: 1 197 1583 311851 740903 145957891 1172849449 231051341453