2031511142202 has 64 divisors (see below), whose sum is σ = 4214920212480. Its totient is φ = 652246027776.

The previous prime is 2031511142173. The next prime is 2031511142207. The reversal of 2031511142202 is 2022411151302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2031511142207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12805824 + ... + 12963492.

It is an arithmetic number, because the mean of its divisors is an integer number (65858128320).

Almost surely, 2^{2031511142202} is an apocalyptic number.

2031511142202 is an abundant number, since it is smaller than the sum of its proper divisors (2183409070278).

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

2031511142202 is a wasteful number, since it uses less digits than its factorization.

2031511142202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158295.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 2031511142202 its reverse (2022411151302), we get a palindrome (4053922293504).

The spelling of 2031511142202 in words is "two trillion, thirty-one billion, five hundred eleven million, one hundred forty-two thousand, two hundred two".