31100045234 has 16 divisors (see below), whose sum is σ = 49133356800. Its totient is φ = 14723193744.

The previous prime is 31100045233. The next prime is 31100045239. The reversal of 31100045234 is 43254000113.

It is a super-2 number, since 2×31100045234² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31100045233) 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, 165797 + ... + 299480.

It is an arithmetic number, because the mean of its divisors is an integer number (3070834800).

Almost surely, 2^31100045234 is an apocalyptic number.

31100045234 is a deficient number, since it is larger than the sum of its proper divisors (18033311566).

31100045234 is a wasteful number, since it uses less digits than its factorization.

31100045234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467057.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 31100045234 its reverse (43254000113), we get a palindrome (74354045347).

The spelling of 31100045234 in words is "thirty-one billion, one hundred million, forty-five thousand, two hundred thirty-four".