1343012977 has 2 divisors, whose sum is σ = 1343012978. Its totient is φ = 1343012976.

The previous prime is 1343012927. The next prime is 1343012981. The reversal of 1343012977 is 7792103431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1264442481 + 78570496 = 35559^2 + 8864^2 .

It is a cyclic number.

It is not a de Polignac number, because 1343012977 - 2¹⁹ = 1342488689 is a prime.

It is not a weakly prime, because it can be changed into another prime (1343012927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671506488 + 671506489.

It is an arithmetic number, because the mean of its divisors is an integer number (671506489).

Almost surely, 2^1343012977 is an apocalyptic number.

It is an amenable number.

1343012977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343012977 is an equidigital number, since it uses as much as digits as its factorization.

1343012977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 1343012977 is about 36647.1414574179. The cubic root of 1343012977 is about 1103.2994534391.

The spelling of 1343012977 in words is "one billion, three hundred forty-three million, twelve thousand, nine hundred seventy-seven".