2021142031 has 2 divisors, whose sum is σ = 2021142032. Its totient is φ = 2021142030.

The previous prime is 2021141989. The next prime is 2021142073. The reversal of 2021142031 is 1302411202.

It is a balanced prime because it is at equal distance from previous prime (2021141989) and next prime (2021142073).

It is a cyclic number.

It is not a de Polignac number, because 2021142031 - 2¹⁹ = 2020617743 is a prime.

It is a super-2 number, since 2×2021142031² = 8170030218949609922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2021141996 and 2021142014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021142931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010571015 + 1010571016.

It is an arithmetic number, because the mean of its divisors is an integer number (1010571016).

Almost surely, 2^2021142031 is an apocalyptic number.

2021142031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021142031 is an equidigital number, since it uses as much as digits as its factorization.

2021142031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2021142031 is about 44957.1132413993. The cubic root of 2021142031 is about 1264.3450459278.

Adding to 2021142031 its reverse (1302411202), we get a palindrome (3323553233).

The spelling of 2021142031 in words is "two billion, twenty-one million, one hundred forty-two thousand, thirty-one".