1310431401 has 12 divisors (see below), whose sum is σ = 1898820612. Its totient is φ = 870863136.

The previous prime is 1310431399. The next prime is 1310431459. The reversal of 1310431401 is 1041340131.

It can be written as a sum of positive squares in 2 ways, for example, as 674181225 + 636250176 = 25965^2 + 25224^2 .

It is not a de Polignac number, because 1310431401 - 2¹ = 1310431399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1310431471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 226806 + ... + 232511.

It is an arithmetic number, because the mean of its divisors is an integer number (158235051).

Almost surely, 2^1310431401 is an apocalyptic number.

It is an amenable number.

1310431401 is a deficient number, since it is larger than the sum of its proper divisors (588389211).

1310431401 is a wasteful number, since it uses less digits than its factorization.

1310431401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459640 (or 459637 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1310431401 is about 36199.8812290869. The cubic root of 1310431401 is about 1094.3042781432.

Adding to 1310431401 its reverse (1041340131), we get a palindrome (2351771532).

The spelling of 1310431401 in words is "one billion, three hundred ten million, four hundred thirty-one thousand, four hundred one".