5131561234 has 8 divisors (see below), whose sum is σ = 8032008960. Its totient is φ = 2454224916.

The previous prime is 5131561229. The next prime is 5131561241. The reversal of 5131561234 is 4321651315.

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

It is a junction number, because it is equal to n+sod(n) for n = 5131561196 and 5131561205.

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, 55777794 + ... + 55777885.

It is an arithmetic number, because the mean of its divisors is an integer number (1004001120).

Almost surely, 2^5131561234 is an apocalyptic number.

5131561234 is a deficient number, since it is larger than the sum of its proper divisors (2900447726).

5131561234 is a wasteful number, since it uses less digits than its factorization.

5131561234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111555704.

The product of its digits is 10800, while the sum is 31.

The square root of 5131561234 is about 71634.9163048300. The cubic root of 5131561234 is about 1724.8440644872.

The spelling of 5131561234 in words is "five billion, one hundred thirty-one million, five hundred sixty-one thousand, two hundred thirty-four".