1401311029 has 2 divisors, whose sum is σ = 1401311030. Its totient is φ = 1401311028.

The previous prime is 1401310991. The next prime is 1401311039. The reversal of 1401311029 is 9201131041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 953142129 + 448168900 = 30873^2 + 21170^2 .

It is an emirp because it is prime and its reverse (9201131041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1401311029 - 2²⁷ = 1267093301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1401311039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700655514 + 700655515.

It is an arithmetic number, because the mean of its divisors is an integer number (700655515).

Almost surely, 2^1401311029 is an apocalyptic number.

It is an amenable number.

1401311029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401311029 is an equidigital number, since it uses as much as digits as its factorization.

1401311029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1401311029 is about 37434.0891300964. The cubic root of 1401311029 is about 1119.0380316228.

The spelling of 1401311029 in words is "one billion, four hundred one million, three hundred eleven thousand, twenty-nine".