1310420420 has 12 divisors (see below), whose sum is σ = 2751882924. Its totient is φ = 524168160.

The previous prime is 1310420413. The next prime is 1310420429. The reversal of 1310420420 is 240240131.

It can be written as a sum of positive squares in 2 ways, for example, as 701614144 + 608806276 = 26488^2 + 24674^2 .

It is not an unprimeable number, because it can be changed into a prime (1310420429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32760491 + ... + 32760530.

It is an arithmetic number, because the mean of its divisors is an integer number (229323577).

Almost surely, 2^1310420420 is an apocalyptic number.

1310420420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310420420 is an abundant number, since it is smaller than the sum of its proper divisors (1441462504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1310420420 is a wasteful number, since it uses less digits than its factorization.

1310420420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65521030 (or 65521028 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1310420420 is about 36199.7295570008. The cubic root of 1310420420 is about 1094.3012214936.

Adding to 1310420420 its reverse (240240131), we get a palindrome (1550660551).

The spelling of 1310420420 in words is "one billion, three hundred ten million, four hundred twenty thousand, four hundred twenty".