Search a number
-
+
31241431211407 is a prime number
BaseRepresentation
bin1110001101001111101100…
…11010001101110110001111
311002121122121001112110220221
413012213312122031312033
513043324422342231112
6150240040530252211
76403055534521114
oct706476632156617
9132548531473827
1031241431211407
119a5546450252a
123606970127067
131458092465461
147a014419a90b
153929dbe58e07
hex1c69f668dd8f

31241431211407 has 2 divisors, whose sum is σ = 31241431211408. Its totient is φ = 31241431211406.

The previous prime is 31241431211363. The next prime is 31241431211411. The reversal of 31241431211407 is 70411213414213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31241431211407 - 27 = 31241431211279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31241431011407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15620715605703 + 15620715605704.

It is an arithmetic number, because the mean of its divisors is an integer number (15620715605704).

Almost surely, 231241431211407 is an apocalyptic number.

31241431211407 is a deficient number, since it is larger than the sum of its proper divisors (1).

31241431211407 is an equidigital number, since it uses as much as digits as its factorization.

31241431211407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 31241431211407 in words is "thirty-one trillion, two hundred forty-one billion, four hundred thirty-one million, two hundred eleven thousand, four hundred seven".