1310400401 has 2 divisors, whose sum is σ = 1310400402. Its totient is φ = 1310400400.

The previous prime is 1310400397. The next prime is 1310400407. The reversal of 1310400401 is 1040040131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1098988801 + 211411600 = 33151^2 + 14540^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310400401 - 2² = 1310400397 is a prime.

It is not a weakly prime, because it can be changed into another prime (1310400407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655200200 + 655200201.

It is an arithmetic number, because the mean of its divisors is an integer number (655200201).

Almost surely, 2^1310400401 is an apocalyptic number.

It is an amenable number.

1310400401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310400401 is an equidigital number, since it uses as much as digits as its factorization.

1310400401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1310400401 is about 36199.4530483542. The cubic root of 1310400401 is about 1094.2956490001.

Adding to 1310400401 its reverse (1040040131), we get a palindrome (2350440532).

The spelling of 1310400401 in words is "one billion, three hundred ten million, four hundred thousand, four hundred one".