31413968491 has 8 divisors (see below), whose sum is σ = 33104348064. Its totient is φ = 29750635200.

The previous prime is 31413968477. The next prime is 31413968519. The reversal of 31413968491 is 19486931413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31413968491 - 2⁷ = 31413968363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31413968431) 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 in 7 ways as a sum of consecutive naturals, for example, 6759186 + ... + 6763831.

It is an arithmetic number, because the mean of its divisors is an integer number (4138043508).

Almost surely, 2^31413968491 is an apocalyptic number.

31413968491 is a deficient number, since it is larger than the sum of its proper divisors (1690379573).

31413968491 is a wasteful number, since it uses less digits than its factorization.

31413968491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13523141.

The product of its digits is 559872, while the sum is 49.

The spelling of 31413968491 in words is "thirty-one billion, four hundred thirteen million, nine hundred sixty-eight thousand, four hundred ninety-one".