31123432114 has 4 divisors (see below), whose sum is σ = 46685148174. Its totient is φ = 15561716056.

The previous prime is 31123432103. The next prime is 31123432177. The reversal of 31123432114 is 41123432113.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 25314401025 + 5809031089 = 159105^2 + 76217^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7780858027 + ... + 7780858030.

Almost surely, 2^31123432114 is an apocalyptic number.

31123432114 is a deficient number, since it is larger than the sum of its proper divisors (15561716060).

31123432114 is a wasteful number, since it uses less digits than its factorization.

31123432114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15561716059.

The product of its digits is 1728, while the sum is 25.

Adding to 31123432114 its reverse (41123432113), we get a palindrome (72246864227).

Subtracting 31123432114 from its reverse (41123432113), we obtain a palindrome (9999999999).

The spelling of 31123432114 in words is "thirty-one billion, one hundred twenty-three million, four hundred thirty-two thousand, one hundred fourteen".