31314021230112 has 48 divisors (see below), whose sum is σ = 82200019749120. Its totient is φ = 10437916407552.

The previous prime is 31314021230087. The next prime is 31314021230117. The reversal of 31314021230112 is 21103212041313.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (31314021230117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10184814 + ... + 12898002.

It is an arithmetic number, because the mean of its divisors is an integer number (1712500411440).

Almost surely, 2^{31314021230112} is an apocalyptic number.

31314021230112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31314021230112 is an abundant number, since it is smaller than the sum of its proper divisors (50885998519008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31314021230112 is a wasteful number, since it uses less digits than its factorization.

31314021230112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2833425 (or 2833417 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 31314021230112 its reverse (21103212041313), we get a palindrome (52417233271425).

The spelling of 31314021230112 in words is "thirty-one trillion, three hundred fourteen billion, twenty-one million, two hundred thirty thousand, one hundred twelve".