31123161674 has 32 divisors (see below), whose sum is σ = 51068731392. Its totient is φ = 14108094000.

The previous prime is 31123161673. The next prime is 31123161701. The reversal of 31123161674 is 47616132113.

It is not an unprimeable number, because it can be changed into a prime (31123161673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19860839 + ... + 19862405.

It is an arithmetic number, because the mean of its divisors is an integer number (1595897856).

Almost surely, 2^31123161674 is an apocalyptic number.

31123161674 is a deficient number, since it is larger than the sum of its proper divisors (19945569718).

31123161674 is a wasteful number, since it uses less digits than its factorization.

31123161674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3482.

The product of its digits is 18144, while the sum is 35.

Adding to 31123161674 its reverse (47616132113), we get a palindrome (78739293787).

The spelling of 31123161674 in words is "thirty-one billion, one hundred twenty-three million, one hundred sixty-one thousand, six hundred seventy-four".