31103443234 has 4 divisors (see below), whose sum is σ = 46655164854. Its totient is φ = 15551721616.

The previous prime is 31103443229. The next prime is 31103443243. The reversal of 31103443234 is 43234430113.

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., 30630250225 + 473193009 = 175015^2 + 21753^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7775860807 + ... + 7775860810.

Almost surely, 2^31103443234 is an apocalyptic number.

31103443234 is a deficient number, since it is larger than the sum of its proper divisors (15551721620).

31103443234 is a wasteful number, since it uses less digits than its factorization.

31103443234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15551721619.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 31103443234 its reverse (43234430113), we get a palindrome (74337873347).

The spelling of 31103443234 in words is "thirty-one billion, one hundred three million, four hundred forty-three thousand, two hundred thirty-four".