1032311231989 has 32 divisors (see below), whose sum is σ = 1148478186240. Its totient is φ = 922898076672.

The previous prime is 1032311231977. The next prime is 1032311232047. The reversal of 1032311231989 is 9891321132301.

It is a cyclic number.

It is not a de Polignac number, because 1032311231989 - 2⁹ = 1032311231477 is a prime.

It is a super-2 number, since 2×1032311231989² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1032311231089) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141738942 + ... + 141746224.

It is an arithmetic number, because the mean of its divisors is an integer number (35889943320).

Almost surely, 2^{1032311231989} is an apocalyptic number.

It is an amenable number.

1032311231989 is a deficient number, since it is larger than the sum of its proper divisors (116166954251).

1032311231989 is a wasteful number, since it uses less digits than its factorization.

1032311231989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9789.

The product of its (nonzero) digits is 69984, while the sum is 43.

The spelling of 1032311231989 in words is "one trillion, thirty-two billion, three hundred eleven million, two hundred thirty-one thousand, nine hundred eighty-nine".