1312114477 has 2 divisors, whose sum is σ = 1312114478. Its totient is φ = 1312114476.

The previous prime is 1312114421. The next prime is 1312114487. The reversal of 1312114477 is 7744112131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1072824516 + 239289961 = 32754^2 + 15469^2 .

It is a cyclic number.

It is not a de Polignac number, because 1312114477 - 2¹¹ = 1312112429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312114487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656057238 + 656057239.

It is an arithmetic number, because the mean of its divisors is an integer number (656057239).

Almost surely, 2^1312114477 is an apocalyptic number.

It is an amenable number.

1312114477 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312114477 is an equidigital number, since it uses as much as digits as its factorization.

1312114477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704, while the sum is 31.

The square root of 1312114477 is about 36223.1207518071. The cubic root of 1312114477 is about 1094.7725741341.

The spelling of 1312114477 in words is "one billion, three hundred twelve million, one hundred fourteen thousand, four hundred seventy-seven".