2031223431434 has 16 divisors (see below), whose sum is σ = 3063507239808. Its totient is φ = 1010057394432.

The previous prime is 2031223431431. The next prime is 2031223431463. The reversal of 2031223431434 is 4341343221302.

It is a self number, because there is not a number n which added to its sum of digits gives 2031223431434.

It is not an unprimeable number, because it can be changed into a prime (2031223431431) 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, 579359 + ... + 2097165.

It is an arithmetic number, because the mean of its divisors is an integer number (191469202488).

Almost surely, 2^{2031223431434} is an apocalyptic number.

2031223431434 is a deficient number, since it is larger than the sum of its proper divisors (1032283808374).

2031223431434 is a wasteful number, since it uses less digits than its factorization.

2031223431434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521469.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 2031223431434 its reverse (4341343221302), we get a palindrome (6372566652736).

The spelling of 2031223431434 in words is "two trillion, thirty-one billion, two hundred twenty-three million, four hundred thirty-one thousand, four hundred thirty-four".