2031120030 has 32 divisors (see below), whose sum is σ = 4877129088. Its totient is φ = 541360800.

The previous prime is 2031120019. The next prime is 2031120043. The reversal of 2031120030 is 300211302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2031119988 and 2031120015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48045 + ... + 79815.

It is an arithmetic number, because the mean of its divisors is an integer number (152410284).

Almost surely, 2^2031120030 is an apocalyptic number.

2031120030 is an abundant number, since it is smaller than the sum of its proper divisors (2846009058).

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

2031120030 is a wasteful number, since it uses less digits than its factorization.

2031120030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33912.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2031120030 is about 45067.9490325442. The cubic root of 2031120030 is about 1266.4222428498.

Adding to 2031120030 its reverse (300211302), we get a palindrome (2331331332).

The spelling of 2031120030 in words is "two billion, thirty-one million, one hundred twenty thousand, thirty".