Search a number
-
+
30655567142131 is a prime number
BaseRepresentation
bin1101111100001100011100…
…01100001001110011110011
311000112122101011221002220111
412332012032030021303303
513004230100142022011
6145110550110122151
76312535350223111
oct676061614116363
9130478334832814
1030655567142131
119849a5350aa08
1235313074b0357
131414a6632abc9
1477da47494ab1
1538264d120121
hex1be18e309cf3

30655567142131 has 2 divisors, whose sum is σ = 30655567142132. Its totient is φ = 30655567142130.

The previous prime is 30655567142059. The next prime is 30655567142177. The reversal of 30655567142131 is 13124176555603.

It is a strong prime.

It is an emirp because it is prime and its reverse (13124176555603) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30655567142131 - 229 = 30655030271219 is a prime.

It is a super-2 number, since 2×306555671421312 (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30655567142831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15327783571065 + 15327783571066.

It is an arithmetic number, because the mean of its divisors is an integer number (15327783571066).

Almost surely, 230655567142131 is an apocalyptic number.

30655567142131 is a deficient number, since it is larger than the sum of its proper divisors (1).

30655567142131 is an equidigital number, since it uses as much as digits as its factorization.

30655567142131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268000, while the sum is 49.

The spelling of 30655567142131 in words is "thirty trillion, six hundred fifty-five billion, five hundred sixty-seven million, one hundred forty-two thousand, one hundred thirty-one".