Search a number
-
+
31302120030127 is a prime number
BaseRepresentation
bin1110001111000000101111…
…01111101011111110101111
311002211110020120020220022121
413013200113233223332233
513100323220211431002
6150323555002253411
76410334500130502
oct707402757537657
9132743216226277
1031302120030127
119a79177792261
1236166887b7267
131460a1481858b
147a3060317139
1539438edc1237
hex1c7817bebfaf

31302120030127 has 2 divisors, whose sum is σ = 31302120030128. Its totient is φ = 31302120030126.

The previous prime is 31302120030121. The next prime is 31302120030133. The reversal of 31302120030127 is 72103002120313.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (31302120030121) and next prime (31302120030133).

It is a cyclic number.

It is not a de Polignac number, because 31302120030127 - 23 = 31302120030119 is a prime.

It is a super-2 number, since 2×313021200301272 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31302120030121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15651060015063 + 15651060015064.

It is an arithmetic number, because the mean of its divisors is an integer number (15651060015064).

Almost surely, 231302120030127 is an apocalyptic number.

31302120030127 is a deficient number, since it is larger than the sum of its proper divisors (1).

31302120030127 is an equidigital number, since it uses as much as digits as its factorization.

31302120030127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

The spelling of 31302120030127 in words is "thirty-one trillion, three hundred two billion, one hundred twenty million, thirty thousand, one hundred twenty-seven".