2031434420131 has 2 divisors, whose sum is σ = 2031434420132. Its totient is φ = 2031434420130.

The previous prime is 2031434420123. The next prime is 2031434420201. The reversal of 2031434420131 is 1310244341302.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2031434420131 - 2³ = 2031434420123 is a prime.

It is a super-2 number, since 2×2031434420131² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2031434420131.

It is not a weakly prime, because it can be changed into another prime (2031434420101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015717210065 + 1015717210066.

It is an arithmetic number, because the mean of its divisors is an integer number (1015717210066).

Almost surely, 2^{2031434420131} is an apocalyptic number.

2031434420131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031434420131 is an equidigital number, since it uses as much as digits as its factorization.

2031434420131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 2031434420131 its reverse (1310244341302), we get a palindrome (3341678761433).

The spelling of 2031434420131 in words is "two trillion, thirty-one billion, four hundred thirty-four million, four hundred twenty thousand, one hundred thirty-one".