1471961311 has 2 divisors, whose sum is σ = 1471961312. Its totient is φ = 1471961310.

The previous prime is 1471961261. The next prime is 1471961317. The reversal of 1471961311 is 1131691741.

It is a strong prime.

It is an emirp because it is prime and its reverse (1131691741) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1471961311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1471961317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 735980655 + 735980656.

It is an arithmetic number, because the mean of its divisors is an integer number (735980656).

Almost surely, 2^1471961311 is an apocalyptic number.

1471961311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1471961311 is an equidigital number, since it uses as much as digits as its factorization.

1471961311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 34.

The square root of 1471961311 is about 38366.1479823034. The cubic root of 1471961311 is about 1137.5368256966.

The spelling of 1471961311 in words is "one billion, four hundred seventy-one million, nine hundred sixty-one thousand, three hundred eleven".