31123132032463 has 2 divisors, whose sum is σ = 31123132032464. Its totient is φ = 31123132032462.

The previous prime is 31123132032413. The next prime is 31123132032523. The reversal of 31123132032463 is 36423023132113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31123132032463 - 2¹⁷ = 31123131901391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31123132032413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15561566016231 + 15561566016232.

It is an arithmetic number, because the mean of its divisors is an integer number (15561566016232).

Almost surely, 2^{31123132032463} is an apocalyptic number.

31123132032463 is a deficient number, since it is larger than the sum of its proper divisors (1).

31123132032463 is an equidigital number, since it uses as much as digits as its factorization.

31123132032463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 34.

Adding to 31123132032463 its reverse (36423023132113), we get a palindrome (67546155164576).

The spelling of 31123132032463 in words is "thirty-one trillion, one hundred twenty-three billion, one hundred thirty-two million, thirty-two thousand, four hundred sixty-three".