31421044314120 has 64 divisors (see below), whose sum is σ = 99808023121920. Its totient is φ = 7886066023424.

The previous prime is 31421044314089. The next prime is 31421044314157. The reversal of 31421044314120 is 2141344012413.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 7701234312 + ... + 7701238391.

It is an arithmetic number, because the mean of its divisors is an integer number (1559500361280).

Almost surely, 2^{31421044314120} is an apocalyptic number.

31421044314120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31421044314120 is an abundant number, since it is smaller than the sum of its proper divisors (68386978807800).

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

31421044314120 is a wasteful number, since it uses less digits than its factorization.

31421044314120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15402472734 (or 15402472730 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 31421044314120 its reverse (2141344012413), we get a palindrome (33562388326533).

The spelling of 31421044314120 in words is "thirty-one trillion, four hundred twenty-one billion, forty-four million, three hundred fourteen thousand, one hundred twenty".