31144301122 has 64 divisors (see below), whose sum is σ = 53255180160. Its totient is φ = 13530585600.

The previous prime is 31144301113. The next prime is 31144301129. The reversal of 31144301122 is 22110344113.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 31144301093 and 31144301102.

It is not an unprimeable number, because it can be changed into a prime (31144301129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32679798 + ... + 32680750.

It is an arithmetic number, because the mean of its divisors is an integer number (832112190).

Almost surely, 2^31144301122 is an apocalyptic number.

31144301122 is a deficient number, since it is larger than the sum of its proper divisors (22110879038).

31144301122 is a wasteful number, since it uses less digits than its factorization.

31144301122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 31144301122 its reverse (22110344113), we get a palindrome (53254645235).

The spelling of 31144301122 in words is "thirty-one billion, one hundred forty-four million, three hundred one thousand, one hundred twenty-two".