31030112441145 has 16 divisors (see below), whose sum is σ = 49693191881472. Its totient is φ = 16534389310080.

The previous prime is 31030112441051. The next prime is 31030112441171. The reversal of 31030112441145 is 54114421103013.

It is a happy number.

It is not a de Polignac number, because 31030112441145 - 2⁹ = 31030112440633 is a prime.

It is a super-2 number, since 2×31030112441145² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 937732396 + ... + 937765485.

It is an arithmetic number, because the mean of its divisors is an integer number (3105824492592).

Almost surely, 2^{31030112441145} is an apocalyptic number.

It is an amenable number.

31030112441145 is a deficient number, since it is larger than the sum of its proper divisors (18663079440327).

31030112441145 is a wasteful number, since it uses less digits than its factorization.

31030112441145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875498992.

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 31030112441145 its reverse (54114421103013), we get a palindrome (85144533544158).

The spelling of 31030112441145 in words is "thirty-one trillion, thirty billion, one hundred twelve million, four hundred forty-one thousand, one hundred forty-five".