1021434311351 has 2 divisors, whose sum is σ = 1021434311352. Its totient is φ = 1021434311350.

The previous prime is 1021434311329. The next prime is 1021434311407. The reversal of 1021434311351 is 1531134341201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1021434311351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021434311251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510717155675 + 510717155676.

It is an arithmetic number, because the mean of its divisors is an integer number (510717155676).

Almost surely, 2^{1021434311351} is an apocalyptic number.

1021434311351 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021434311351 is an equidigital number, since it uses as much as digits as its factorization.

1021434311351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 1021434311351 its reverse (1531134341201), we get a palindrome (2552568652552).

The spelling of 1021434311351 in words is "one trillion, twenty-one billion, four hundred thirty-four million, three hundred eleven thousand, three hundred fifty-one".