2031321242000 has 40 divisors (see below), whose sum is σ = 4911734767992. Its totient is φ = 812528496000.

The previous prime is 2031321241997. The next prime is 2031321242009. The reversal of 2031321242000 is 2421231302.

It can be written as a sum of positive squares in 4 ways, for example, as 4547614096 + 2026773627904 = 67436^2 + 1423648^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (2031321242009) 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, 507828311 + ... + 507832310.

Almost surely, 2^{2031321242000} is an apocalyptic number.

2031321242000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031321242000 is an abundant number, since it is smaller than the sum of its proper divisors (2880413525992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2031321242000 is a wasteful number, since it uses less digits than its factorization.

2031321242000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015660644 (or 1015660628 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2031321242000 its reverse (2421231302), we get a palindrome (2033742473302).

The spelling of 2031321242000 in words is "two trillion, thirty-one billion, three hundred twenty-one million, two hundred forty-two thousand".