31143313202234 has 16 divisors (see below), whose sum is σ = 49457893200480. Its totient is φ = 14666823494640.

The previous prime is 31143313202231. The next prime is 31143313202251. The reversal of 31143313202234 is 43220231334113.

It is a self number, because there is not a number n which added to its sum of digits gives 31143313202234.

It is not an unprimeable number, because it can be changed into a prime (31143313202231) 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, 2368666472 + ... + 2368679619.

It is an arithmetic number, because the mean of its divisors is an integer number (3091118325030).

Almost surely, 2^{31143313202234} is an apocalyptic number.

31143313202234 is a deficient number, since it is larger than the sum of its proper divisors (18314579998246).

31143313202234 is a wasteful number, since it uses less digits than its factorization.

31143313202234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4737346285.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 31143313202234 its reverse (43220231334113), we get a palindrome (74363544536347).

The spelling of 31143313202234 in words is "thirty-one trillion, one hundred forty-three billion, three hundred thirteen million, two hundred two thousand, two hundred thirty-four".