31140671803 has 2 divisors, whose sum is σ = 31140671804. Its totient is φ = 31140671802.

The previous prime is 31140671747. The next prime is 31140671843. The reversal of 31140671803 is 30817604113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31140671803 - 2¹³ = 31140663611 is a prime.

It is not a weakly prime, because it can be changed into another prime (31140671843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15570335901 + 15570335902.

It is an arithmetic number, because the mean of its divisors is an integer number (15570335902).

Almost surely, 2^31140671803 is an apocalyptic number.

31140671803 is a deficient number, since it is larger than the sum of its proper divisors (1).

31140671803 is an equidigital number, since it uses as much as digits as its factorization.

31140671803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 31140671803 in words is "thirty-one billion, one hundred forty million, six hundred seventy-one thousand, eight hundred three".