Search a number
-
+
31400003204149 is a prime number
BaseRepresentation
bin1110010001110111000100…
…00010010111010000110101
311010011210220012201100020011
413020323202002113100311
513103424201310013044
6150440543510340221
76420401231312626
oct710734202272065
9133153805640204
1031400003204149
11a0067372376a8
12363164565a671
13146a0138c8668
147a7aa818ba4d
15396bbd36d134
hex1c8ee2097435

31400003204149 has 2 divisors, whose sum is σ = 31400003204150. Its totient is φ = 31400003204148.

The previous prime is 31400003204111. The next prime is 31400003204159. The reversal of 31400003204149 is 94140230000413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21253344718225 + 10146658485924 = 4610135^2 + 3185382^2 .

It is an emirp because it is prime and its reverse (94140230000413) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31400003204149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31400003204149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31400003204159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15700001602074 + 15700001602075.

It is an arithmetic number, because the mean of its divisors is an integer number (15700001602075).

Almost surely, 231400003204149 is an apocalyptic number.

It is an amenable number.

31400003204149 is a deficient number, since it is larger than the sum of its proper divisors (1).

31400003204149 is an equidigital number, since it uses as much as digits as its factorization.

31400003204149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 31400003204149 in words is "thirty-one trillion, four hundred billion, three million, two hundred four thousand, one hundred forty-nine".