1310152421 has 16 divisors (see below), whose sum is σ = 1358529408. Its totient is φ = 1262788800.

The previous prime is 1310152409. The next prime is 1310152457. The reversal of 1310152421 is 1242510131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1310152421 is a prime.

It is a super-2 number, since 2×1310152421² = 3432998732504322482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1310152393 and 1310152402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310152471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1583810 + ... + 1584636.

It is an arithmetic number, because the mean of its divisors is an integer number (84908088).

Almost surely, 2^1310152421 is an apocalyptic number.

It is an amenable number.

1310152421 is a deficient number, since it is larger than the sum of its proper divisors (48376987).

1310152421 is an equidigital number, since it uses as much as digits as its factorization.

1310152421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1310152421 is about 36196.0276964199. The cubic root of 1310152421 is about 1094.2266165236.

Adding to 1310152421 its reverse (1242510131), we get a palindrome (2552662552).

The spelling of 1310152421 in words is "one billion, three hundred ten million, one hundred fifty-two thousand, four hundred twenty-one".