31030122101312 has 14 divisors (see below), whose sum is σ = 61575398544918. Its totient is φ = 15515061050624.

The previous prime is 31030122101291. The next prime is 31030122101333. The reversal of 31030122101312 is 21310122103013.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (31030122101291) and next prime (31030122101333).

It can be written as a sum of positive squares in only one way, i.e., 15525617345536 + 15504504755776 = 3940256^2 + 3937576^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242422828853 + ... + 242422828980.

Almost surely, 2^{31030122101312} is an apocalyptic number.

31030122101312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31030122101312 is a deficient number, since it is larger than the sum of its proper divisors (30545276443606).

31030122101312 is an equidigital number, since it uses as much as digits as its factorization.

31030122101312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484845657845 (or 484845657835 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 31030122101312 its reverse (21310122103013), we get a palindrome (52340244204325).

The spelling of 31030122101312 in words is "thirty-one trillion, thirty billion, one hundred twenty-two million, one hundred one thousand, three hundred twelve".