31123014130 has 64 divisors (see below), whose sum is σ = 61766530560. Its totient is φ = 11219307264.

The previous prime is 31123014119. The next prime is 31123014149. The reversal of 31123014130 is 3141032113.

It is a junction number, because it is equal to n+sod(n) for n = 31123014098 and 31123014107.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2554012 + ... + 2566168.

It is an arithmetic number, because the mean of its divisors is an integer number (965102040).

Almost surely, 2^31123014130 is an apocalyptic number.

31123014130 is a deficient number, since it is larger than the sum of its proper divisors (30643516430).

31123014130 is a wasteful number, since it uses less digits than its factorization.

31123014130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12643.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31123014130 its reverse (3141032113), we get a palindrome (34264046243).

The spelling of 31123014130 in words is "thirty-one billion, one hundred twenty-three million, fourteen thousand, one hundred thirty".