31401230243130 has 144 divisors (see below), whose sum is σ = 89954234566560. Its totient is φ = 7594250283840.

The previous prime is 31401230243083. The next prime is 31401230243171. The reversal of 31401230243130 is 3134203210413.

It is a happy number.

31401230243130 is a `hidden beast` number, since 3 + 1 + 40 + 1 + 2 + 302 + 4 + 313 + 0 = 666.

31401230243130 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 31401230243094 and 31401230243103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1121989 + ... + 8003831.

It is an arithmetic number, because the mean of its divisors is an integer number (624682184490).

Almost surely, 2^{31401230243130} is an apocalyptic number.

31401230243130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 31401230243130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44977117283280).

31401230243130 is an abundant number, since it is smaller than the sum of its proper divisors (58553004323430).

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

31401230243130 is a wasteful number, since it uses less digits than its factorization.

31401230243130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6882297 (or 6882283 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 31401230243130 its reverse (3134203210413), we get a palindrome (34535433453543).

The spelling of 31401230243130 in words is "thirty-one trillion, four hundred one billion, two hundred thirty million, two hundred forty-three thousand, one hundred thirty".