31255421336434 has 16 divisors (see below), whose sum is σ = 48421787296608. Its totient is φ = 15121618751232.

The previous prime is 31255421336431. The next prime is 31255421336453. The reversal of 31255421336434 is 43463312455213.

It is not an unprimeable number, because it can be changed into a prime (31255421336431) 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 7 ways as a sum of consecutive naturals, for example, 1698285807 + ... + 1698304210.

It is an arithmetic number, because the mean of its divisors is an integer number (3026361706038).

Almost surely, 2^{31255421336434} is an apocalyptic number.

31255421336434 is a deficient number, since it is larger than the sum of its proper divisors (17166365960174).

31255421336434 is a wasteful number, since it uses less digits than its factorization.

31255421336434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3396590169.

The product of its digits is 3110400, while the sum is 46.

The spelling of 31255421336434 in words is "thirty-one trillion, two hundred fifty-five billion, four hundred twenty-one million, three hundred thirty-six thousand, four hundred thirty-four".