31124350130 has 16 divisors (see below), whose sum is σ = 56025840024. Its totient is φ = 12449293440.

The previous prime is 31124350123. The next prime is 31124350211. The reversal of 31124350130 is 3105342113.

It can be written as a sum of positive squares in 4 ways, for example, as 19079068129 + 12045282001 = 138127^2 + 109751^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31124350096 and 31124350105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508790 + ... + 566670.

Almost surely, 2^31124350130 is an apocalyptic number.

31124350130 is a deficient number, since it is larger than the sum of its proper divisors (24901489894).

31124350130 is a wasteful number, since it uses less digits than its factorization.

31124350130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111661.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 31124350130 its reverse (3105342113), we get a palindrome (34229692243).

The spelling of 31124350130 in words is "thirty-one billion, one hundred twenty-four million, three hundred fifty thousand, one hundred thirty".