1210313131400 has 48 divisors (see below), whose sum is σ = 2814063638400. Its totient is φ = 484110524480.

The previous prime is 1210313131367. The next prime is 1210313131421. The reversal of 1210313131400 is 41313130121.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8497169 + ... + 8638431.

It is an arithmetic number, because the mean of its divisors is an integer number (58626325800).

Almost surely, 2^{1210313131400} is an apocalyptic number.

1210313131400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210313131400 is an abundant number, since it is smaller than the sum of its proper divisors (1603750507000).

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

1210313131400 is a wasteful number, since it uses less digits than its factorization.

1210313131400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184118 (or 184109 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1210313131400 its reverse (41313130121), we get a palindrome (1251626261521).

The spelling of 1210313131400 in words is "one trillion, two hundred ten billion, three hundred thirteen million, one hundred thirty-one thousand, four hundred".