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30000100232131 = 109275230277359
BaseRepresentation
bin1101101001000111100010…
…10100010100101111000011
310221012222111120022002010021
412310203301110110233003
512413010201124412011
6143445504503314311
76214302310346161
oct664436124245703
9127188446262107
1030000100232131
119616a75530a27
123446278a4b997
131397cc71345c3
1475a0267dc231
153705889c7471
hex1b48f1514bc3

30000100232131 has 4 divisors (see below), whose sum is σ = 30275330509600. Its totient is φ = 29724869954664.

The previous prime is 30000100232111. The next prime is 30000100232147. The reversal of 30000100232131 is 13123200100003.

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 30000100232131 - 211 = 30000100230083 is a prime.

It is a super-2 number, since 2×300001002321312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30000100232111) 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, 137615138571 + ... + 137615138788.

It is an arithmetic number, because the mean of its divisors is an integer number (7568832627400).

Almost surely, 230000100232131 is an apocalyptic number.

30000100232131 is a deficient number, since it is larger than the sum of its proper divisors (275230277469).

30000100232131 is a wasteful number, since it uses less digits than its factorization.

30000100232131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275230277468.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30000100232131 its reverse (13123200100003), we get a palindrome (43123300332134).

The spelling of 30000100232131 in words is "thirty trillion, one hundred million, two hundred thirty-two thousand, one hundred thirty-one".

Divisors: 1 109 275230277359 30000100232131