1021431302313 has 64 divisors (see below), whose sum is σ = 1478905344000. Its totient is φ = 624953111040.

The previous prime is 1021431302303. The next prime is 1021431302317. The reversal of 1021431302313 is 3132031341201.

It is not a de Polignac number, because 1021431302313 - 2⁶ = 1021431302249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1021431302317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 601194738 + ... + 601196436.

It is an arithmetic number, because the mean of its divisors is an integer number (23107896000).

Almost surely, 2^{1021431302313} is an apocalyptic number.

It is an amenable number.

1021431302313 is a deficient number, since it is larger than the sum of its proper divisors (457474041687).

1021431302313 is a wasteful number, since it uses less digits than its factorization.

1021431302313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3422.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1021431302313 its reverse (3132031341201), we get a palindrome (4153462643514).

The spelling of 1021431302313 in words is "one trillion, twenty-one billion, four hundred thirty-one million, three hundred two thousand, three hundred thirteen".