31401033123300 has 144 divisors (see below), whose sum is σ = 93322593013440. Its totient is φ = 8146122186240.

The previous prime is 31401033123287. The next prime is 31401033123329. The reversal of 31401033123300 is 332133010413.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78265807 + ... + 78665993.

Almost surely, 2^{31401033123300} is an apocalyptic number.

31401033123300 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31401033123300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46661296506720).

31401033123300 is an abundant number, since it is smaller than the sum of its proper divisors (61921559890140).

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

31401033123300 is a wasteful number, since it uses less digits than its factorization.

31401033123300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407310 (or 407303 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 31401033123300 its reverse (332133010413), we get a palindrome (31733166133713).

The spelling of 31401033123300 in words is "thirty-one trillion, four hundred one billion, thirty-three million, one hundred twenty-three thousand, three hundred".