1020311303133 has 16 divisors (see below), whose sum is σ = 1486905278976. Its totient is φ = 619543864320.

The previous prime is 1020311303117. The next prime is 1020311303153. The reversal of 1020311303133 is 3313031130201.

It is not a de Polignac number, because 1020311303133 - 2⁴ = 1020311303117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020311303153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322677516 + ... + 322680677.

It is an arithmetic number, because the mean of its divisors is an integer number (92931579936).

Almost surely, 2^{1020311303133} is an apocalyptic number.

It is an amenable number.

1020311303133 is a deficient number, since it is larger than the sum of its proper divisors (466593975843).

1020311303133 is a wasteful number, since it uses less digits than its factorization.

1020311303133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645358244.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 1020311303133 its reverse (3313031130201), we get a palindrome (4333342433334).

The spelling of 1020311303133 in words is "one trillion, twenty billion, three hundred eleven million, three hundred three thousand, one hundred thirty-three".