1020231323311 has 8 divisors (see below), whose sum is σ = 1055444518800. Its totient is φ = 985020314880.

The previous prime is 1020231323281. The next prime is 1020231323317. The reversal of 1020231323311 is 1133231320201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1020231323311 - 2⁷ = 1020231323183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020231323317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432031 + ... + 1492351.

It is an arithmetic number, because the mean of its divisors is an integer number (131930564850).

Almost surely, 2^{1020231323311} is an apocalyptic number.

1020231323311 is a deficient number, since it is larger than the sum of its proper divisors (35213195489).

1020231323311 is a wasteful number, since it uses less digits than its factorization.

1020231323311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093529.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1020231323311 its reverse (1133231320201), we get a palindrome (2153462643512).

The spelling of 1020231323311 in words is "one trillion, twenty billion, two hundred thirty-one million, three hundred twenty-three thousand, three hundred eleven".