31513105114 has 8 divisors (see below), whose sum is σ = 47270415348. Its totient is φ = 15756300000.

The previous prime is 31513105081. The next prime is 31513105147. The reversal of 31513105114 is 41150131513.

It is an interprime number because it is at equal distance from previous prime (31513105081) and next prime (31513105147).

It can be written as a sum of positive squares in 2 ways, for example, as 24050736889 + 7462368225 = 155083^2 + 86385^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154974 + ... + 295030.

Almost surely, 2^31513105114 is an apocalyptic number.

31513105114 is a deficient number, since it is larger than the sum of its proper divisors (15757310234).

31513105114 is a wasteful number, since it uses less digits than its factorization.

31513105114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252560.

The product of its (nonzero) digits is 900, while the sum is 25.

Adding to 31513105114 its reverse (41150131513), we get a palindrome (72663236627).

The spelling of 31513105114 in words is "thirty-one billion, five hundred thirteen million, one hundred five thousand, one hundred fourteen".