31402004031337 has 2 divisors, whose sum is σ = 31402004031338. Its totient is φ = 31402004031336.

The previous prime is 31402004031289. The next prime is 31402004031421. The reversal of 31402004031337 is 73313040020413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28370153460496 + 3031850570841 = 5326364^2 + 1741221^2 .

It is a cyclic number.

It is not a de Polignac number, because 31402004031337 - 2¹¹ = 31402004029289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31402004031299 and 31402004031308.

It is not a weakly prime, because it can be changed into another prime (31402004031037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15701002015668 + 15701002015669.

It is an arithmetic number, because the mean of its divisors is an integer number (15701002015669).

Almost surely, 2^{31402004031337} is an apocalyptic number.

It is an amenable number.

31402004031337 is a deficient number, since it is larger than the sum of its proper divisors (1).

31402004031337 is an equidigital number, since it uses as much as digits as its factorization.

31402004031337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 31.

The spelling of 31402004031337 in words is "thirty-one trillion, four hundred two billion, four million, thirty-one thousand, three hundred thirty-seven".