2021013131010 has 16 divisors (see below), whose sum is σ = 4850431514496. Its totient is φ = 538936834928.

The previous prime is 2021013130987. The next prime is 2021013131017. The reversal of 2021013131010 is 101313101202.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (2021013131017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33683552154 + ... + 33683552213.

It is an arithmetic number, because the mean of its divisors is an integer number (303151969656).

Almost surely, 2^{2021013131010} is an apocalyptic number.

2021013131010 is an abundant number, since it is smaller than the sum of its proper divisors (2829418383486).

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

2021013131010 is a wasteful number, since it uses less digits than its factorization.

2021013131010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67367104377.

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

Adding to 2021013131010 its reverse (101313101202), we get a palindrome (2122326232212).

The spelling of 2021013131010 in words is "two trillion, twenty-one billion, thirteen million, one hundred thirty-one thousand, ten".