2031121101030 has 64 divisors (see below), whose sum is σ = 5662404154368. Its totient is φ = 456645490560.

The previous prime is 2031121101029. The next prime is 2031121101043. The reversal of 2031121101030 is 301011211302.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79265922 + ... + 79291541.

It is an arithmetic number, because the mean of its divisors is an integer number (88475064912).

Almost surely, 2^{2031121101030} is an apocalyptic number.

2031121101030 is an abundant number, since it is smaller than the sum of its proper divisors (3631283053338).

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

2031121101030 is a wasteful number, since it uses less digits than its factorization.

2031121101030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158557541.

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

Adding to 2031121101030 its reverse (301011211302), we get a palindrome (2332132312332).

The spelling of 2031121101030 in words is "two trillion, thirty-one billion, one hundred twenty-one million, one hundred one thousand, thirty".