31322615242463 has 2 divisors, whose sum is σ = 31322615242464. Its totient is φ = 31322615242462.

The previous prime is 31322615242459. The next prime is 31322615242481. The reversal of 31322615242463 is 36424251622313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31322615242463 - 2² = 31322615242459 is a prime.

It is a super-2 number, since 2×31322615242463² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31322615242663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15661307621231 + 15661307621232.

It is an arithmetic number, because the mean of its divisors is an integer number (15661307621232).

Almost surely, 2^{31322615242463} is an apocalyptic number.

31322615242463 is a deficient number, since it is larger than the sum of its proper divisors (1).

31322615242463 is an equidigital number, since it uses as much as digits as its factorization.

31322615242463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1244160, while the sum is 44.

Adding to 31322615242463 its reverse (36424251622313), we get a palindrome (67746866864776).

The spelling of 31322615242463 in words is "thirty-one trillion, three hundred twenty-two billion, six hundred fifteen million, two hundred forty-two thousand, four hundred sixty-three".