31673424401 has 2 divisors, whose sum is σ = 31673424402. Its totient is φ = 31673424400.

The previous prime is 31673424373. The next prime is 31673424467. The reversal of 31673424401 is 10442437613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26969522176 + 4703902225 = 164224^2 + 68585^2 .

It is an emirp because it is prime and its reverse (10442437613) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31673424401 - 2²² = 31669230097 is a prime.

It is not a weakly prime, because it can be changed into another prime (31673444401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15836712200 + 15836712201.

It is an arithmetic number, because the mean of its divisors is an integer number (15836712201).

Almost surely, 2^31673424401 is an apocalyptic number.

It is an amenable number.

31673424401 is a deficient number, since it is larger than the sum of its proper divisors (1).

31673424401 is an equidigital number, since it uses as much as digits as its factorization.

31673424401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 35.

The spelling of 31673424401 in words is "thirty-one billion, six hundred seventy-three million, four hundred twenty-four thousand, four hundred one".