1020232001331 has 12 divisors (see below), whose sum is σ = 1524484600080. Its totient is φ = 656701058160.

The previous prime is 1020232001317. The next prime is 1020232001333. The reversal of 1020232001331 is 1331002320201.

1020232001331 is a `hidden beast` number, since 10 + 2 + 0 + 2 + 320 + 0 + 1 + 331 = 666.

It is not a de Polignac number, because 1020232001331 - 2¹⁹ = 1020231477043 is a prime.

It is a super-2 number, since 2×1020232001331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020232001333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1954467175 + ... + 1954467696.

It is an arithmetic number, because the mean of its divisors is an integer number (127040383340).

Almost surely, 2^{1020232001331} is an apocalyptic number.

1020232001331 is a deficient number, since it is larger than the sum of its proper divisors (504252598749).

1020232001331 is a wasteful number, since it uses less digits than its factorization.

1020232001331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3908934906 (or 3908934903 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1020232001331 its reverse (1331002320201), we get a palindrome (2351234321532).

The spelling of 1020232001331 in words is "one trillion, twenty billion, two hundred thirty-two million, one thousand, three hundred thirty-one".