31417463491 has 2 divisors, whose sum is σ = 31417463492. Its totient is φ = 31417463490.

The previous prime is 31417463449. The next prime is 31417463533. The reversal of 31417463491 is 19436471413.

It is a balanced prime because it is at equal distance from previous prime (31417463449) and next prime (31417463533).

It is a cyclic number.

It is not a de Polignac number, because 31417463491 - 2¹¹ = 31417461443 is a prime.

It is not a weakly prime, because it can be changed into another prime (31417463401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15708731745 + 15708731746.

It is an arithmetic number, because the mean of its divisors is an integer number (15708731746).

Almost surely, 2^31417463491 is an apocalyptic number.

31417463491 is a deficient number, since it is larger than the sum of its proper divisors (1).

31417463491 is an equidigital number, since it uses as much as digits as its factorization.

31417463491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 43.

The spelling of 31417463491 in words is "thirty-one billion, four hundred seventeen million, four hundred sixty-three thousand, four hundred ninety-one".