31423350319 has 2 divisors, whose sum is σ = 31423350320. Its totient is φ = 31423350318.

The previous prime is 31423350251. The next prime is 31423350323. The reversal of 31423350319 is 91305332413.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31423350319 - 2¹³ = 31423342127 is a prime.

It is a super-2 number, since 2×31423350319² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31423350349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15711675159 + 15711675160.

It is an arithmetic number, because the mean of its divisors is an integer number (15711675160).

Almost surely, 2^31423350319 is an apocalyptic number.

31423350319 is a deficient number, since it is larger than the sum of its proper divisors (1).

31423350319 is an equidigital number, since it uses as much as digits as its factorization.

31423350319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 34.

The spelling of 31423350319 in words is "thirty-one billion, four hundred twenty-three million, three hundred fifty thousand, three hundred nineteen".