1213410031400 has 48 divisors (see below), whose sum is σ = 3224203801440. Its totient is φ = 416026296000.

The previous prime is 1213410031363. The next prime is 1213410031403. The reversal of 1213410031400 is 41300143121.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1213410031403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 433359326 + ... + 433362125.

It is an arithmetic number, because the mean of its divisors is an integer number (67170912530).

Almost surely, 2^{1213410031400} is an apocalyptic number.

1213410031400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1213410031400 is an abundant number, since it is smaller than the sum of its proper divisors (2010793770040).

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

1213410031400 is a wasteful number, since it uses less digits than its factorization.

1213410031400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866721474 (or 866721465 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1213410031400 its reverse (41300143121), we get a palindrome (1254710174521).

The spelling of 1213410031400 in words is "one trillion, two hundred thirteen billion, four hundred ten million, thirty-one thousand, four hundred".