Search a number
-
+
31242330983 is a prime number
BaseRepresentation
bin11101000110001100…
…000010001101100111
32222122022221212002202
4131012030002031213
51002441014042413
622204051325115
72154133301033
oct350614021547
988568855082
1031242330983
1112282532756
12607abb079b
132c3b88b0a6
1417254371c3
15c2cc26e58
hex746302367

31242330983 has 2 divisors, whose sum is σ = 31242330984. Its totient is φ = 31242330982.

The previous prime is 31242330961. The next prime is 31242331007. The reversal of 31242330983 is 38903324213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31242330983 - 26 = 31242330919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31242330913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15621165491 + 15621165492.

It is an arithmetic number, because the mean of its divisors is an integer number (15621165492).

Almost surely, 231242330983 is an apocalyptic number.

31242330983 is a deficient number, since it is larger than the sum of its proper divisors (1).

31242330983 is an equidigital number, since it uses as much as digits as its factorization.

31242330983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 38.

The spelling of 31242330983 in words is "thirty-one billion, two hundred forty-two million, three hundred thirty thousand, nine hundred eighty-three".