31231213301434 has 16 divisors (see below), whose sum is σ = 49899536301888. Its totient is φ = 14609035314112.

The previous prime is 31231213301429. The next prime is 31231213301543. The reversal of 31231213301434 is 43410331213213.

It is a junction number, because it is equal to n+sod(n) for n = 31231213301396 and 31231213301405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2750189224 + ... + 2750200579.

It is an arithmetic number, because the mean of its divisors is an integer number (3118721018868).

Almost surely, 2^{31231213301434} is an apocalyptic number.

31231213301434 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

31231213301434 is a deficient number, since it is larger than the sum of its proper divisors (18668323000454).

31231213301434 is a wasteful number, since it uses less digits than its factorization.

31231213301434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5500389989.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 31231213301434 its reverse (43410331213213), we get a palindrome (74641544514647).

The spelling of 31231213301434 in words is "thirty-one trillion, two hundred thirty-one billion, two hundred thirteen million, three hundred one thousand, four hundred thirty-four".