31231042311430 has 32 divisors (see below), whose sum is σ = 61269574038624. Its totient is φ = 11392528498176.

The previous prime is 31231042311419. The next prime is 31231042311431. The reversal of 31231042311430 is 3411324013213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31231042311431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1447210819 + ... + 1447232398.

It is an arithmetic number, because the mean of its divisors is an integer number (1914674188707).

Almost surely, 2^{31231042311430} is an apocalyptic number.

31231042311430 is a deficient number, since it is larger than the sum of its proper divisors (30038531727194).

31231042311430 is a wasteful number, since it uses less digits than its factorization.

31231042311430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2894443320.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 31231042311430 its reverse (3411324013213), we get a palindrome (34642366324643).

The spelling of 31231042311430 in words is "thirty-one trillion, two hundred thirty-one billion, forty-two million, three hundred eleven thousand, four hundred thirty".