31040203034 has 4 divisors (see below), whose sum is σ = 46560304554. Its totient is φ = 15520101516.

The previous prime is 31040203027. The next prime is 31040203067. The reversal of 31040203034 is 43030204013.

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., 30451995025 + 588208009 = 174505^2 + 24253^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31040202997 and 31040203015.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7760050757 + ... + 7760050760.

Almost surely, 2^31040203034 is an apocalyptic number.

31040203034 is a deficient number, since it is larger than the sum of its proper divisors (15520101520).

31040203034 is a wasteful number, since it uses less digits than its factorization.

31040203034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15520101519.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 31040203034 its reverse (43030204013), we get a palindrome (74070407047).

The spelling of 31040203034 in words is "thirty-one billion, forty million, two hundred three thousand, thirty-four".