1210310131020 has 24 divisors (see below), whose sum is σ = 3388868367024. Its totient is φ = 322749368256.

The previous prime is 1210310131003. The next prime is 1210310131033. The reversal of 1210310131020 is 201310130121.

It is a happy number.

It is a super-2 number, since 2×1210310131020² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10085917699 + ... + 10085917818.

It is an arithmetic number, because the mean of its divisors is an integer number (141202848626).

Almost surely, 2^{1210310131020} is an apocalyptic number.

1210310131020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210310131020 is an abundant number, since it is smaller than the sum of its proper divisors (2178558236004).

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

1210310131020 is a wasteful number, since it uses less digits than its factorization.

1210310131020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20171835529 (or 20171835527 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1210310131020 its reverse (201310130121), we get a palindrome (1411620261141).

The spelling of 1210310131020 in words is "one trillion, two hundred ten billion, three hundred ten million, one hundred thirty-one thousand, twenty".