1310430421531 has 32 divisors (see below), whose sum is σ = 1740906957312. Its totient is φ = 954927567360.

The previous prime is 1310430421459. The next prime is 1310430421607. The reversal of 1310430421531 is 1351240340131.

It is a cyclic number.

It is not a de Polignac number, because 1310430421531 - 2⁹ = 1310430421019 is a prime.

It is a super-2 number, since 2×1310430421531² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1310430421531.

It is not an unprimeable number, because it can be changed into a prime (1310430421931) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2982681 + ... + 3393706.

It is an arithmetic number, because the mean of its divisors is an integer number (54403342416).

Almost surely, 2^{1310430421531} is an apocalyptic number.

1310430421531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1310430421531 is a deficient number, since it is larger than the sum of its proper divisors (430476535781).

1310430421531 is a wasteful number, since it uses less digits than its factorization.

1310430421531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6376579.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 1310430421531 its reverse (1351240340131), we get a palindrome (2661670761662).

The spelling of 1310430421531 in words is "one trillion, three hundred ten billion, four hundred thirty million, four hundred twenty-one thousand, five hundred thirty-one".