31397386283 has 2 divisors, whose sum is σ = 31397386284. Its totient is φ = 31397386282.

The previous prime is 31397386277. The next prime is 31397386289. The reversal of 31397386283 is 38268379313.

It is a balanced prime because it is at equal distance from previous prime (31397386277) and next prime (31397386289).

It is a cyclic number.

It is not a de Polignac number, because 31397386283 - 2¹² = 31397382187 is a prime.

It is not a weakly prime, because it can be changed into another prime (31397386289) 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 as a sum of consecutive naturals, namely, 15698693141 + 15698693142.

It is an arithmetic number, because the mean of its divisors is an integer number (15698693142).

Almost surely, 2^31397386283 is an apocalyptic number.

31397386283 is a deficient number, since it is larger than the sum of its proper divisors (1).

31397386283 is an equidigital number, since it uses as much as digits as its factorization.

31397386283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3919104, while the sum is 53.

The spelling of 31397386283 in words is "thirty-one billion, three hundred ninety-seven million, three hundred eighty-six thousand, two hundred eighty-three".