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30231223201131 = 310077074400377
BaseRepresentation
bin1101101111110110000010…
…10100011110110101101011
310222001002001220221101212020
412313323001110132311223
512430302021114414011
6144144010542515523
76240063615231141
oct667730124366553
9128032056841766
1030231223201131
1196a5a98409407
12348301b595ba3
1313b3a3b37c164
147672b0125591
153765b4447006
hex1b7ec151ed6b

30231223201131 has 4 divisors (see below), whose sum is σ = 40308297601512. Its totient is φ = 20154148800752.

The previous prime is 30231223201117. The next prime is 30231223201141. The reversal of 30231223201131 is 13110232213203.

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 30231223201131 - 213 = 30231223192939 is a prime.

It is a super-2 number, since 2×302312232011312 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30231223201141) 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, 5038537200186 + ... + 5038537200191.

It is an arithmetic number, because the mean of its divisors is an integer number (10077074400378).

Almost surely, 230231223201131 is an apocalyptic number.

30231223201131 is a deficient number, since it is larger than the sum of its proper divisors (10077074400381).

30231223201131 is a wasteful number, since it uses less digits than its factorization.

30231223201131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10077074400380.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 30231223201131 its reverse (13110232213203), we get a palindrome (43341455414334).

The spelling of 30231223201131 in words is "thirty trillion, two hundred thirty-one billion, two hundred twenty-three million, two hundred one thousand, one hundred thirty-one".

Divisors: 1 3 10077074400377 30231223201131