31143001202434 has 64 divisors (see below), whose sum is σ = 55702709379072. Its totient is φ = 12892710585600.

The previous prime is 31143001202419. The next prime is 31143001202441. The reversal of 31143001202434 is 43420210034113.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 242099577 + ... + 242228179.

It is an arithmetic number, because the mean of its divisors is an integer number (870354834048).

Almost surely, 2^{31143001202434} is an apocalyptic number.

31143001202434 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

31143001202434 is a deficient number, since it is larger than the sum of its proper divisors (24559708176638).

31143001202434 is a wasteful number, since it uses less digits than its factorization.

31143001202434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149551.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 31143001202434 its reverse (43420210034113), we get a palindrome (74563211236547).

The spelling of 31143001202434 in words is "thirty-one trillion, one hundred forty-three billion, one million, two hundred two thousand, four hundred thirty-four".