31031004104 has 16 divisors (see below), whose sum is σ = 58980163020. Its totient is φ = 15302960640.

The previous prime is 31031004101. The next prime is 31031004107. The reversal of 31031004104 is 40140013013.

It is an interprime number because it is at equal distance from previous prime (31031004101) and next prime (31031004107).

It can be written as a sum of positive squares in 2 ways, for example, as 30275304004 + 755700100 = 173998^2 + 27490^2 .

It is not an unprimeable number, because it can be changed into a prime (31031004101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26567057 + ... + 26568224.

Almost surely, 2^31031004104 is an apocalyptic number.

It is an amenable number.

31031004104 is a deficient number, since it is larger than the sum of its proper divisors (27949158916).

31031004104 is a wasteful number, since it uses less digits than its factorization.

31031004104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53135360 (or 53135356 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 31031004104 its reverse (40140013013), we get a palindrome (71171017117).

The spelling of 31031004104 in words is "thirty-one billion, thirty-one million, four thousand, one hundred four".