2031120131 has 2 divisors, whose sum is σ = 2031120132. Its totient is φ = 2031120130.

The previous prime is 2031120127. The next prime is 2031120137. The reversal of 2031120131 is 1310211302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2031120131 - 2² = 2031120127 is a prime.

It is a super-2 number, since 2×2031120131² = 8250897973106914322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2031120137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015560065 + 1015560066.

It is an arithmetic number, because the mean of its divisors is an integer number (1015560066).

Almost surely, 2^2031120131 is an apocalyptic number.

2031120131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031120131 is an equidigital number, since it uses as much as digits as its factorization.

2031120131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2031120131 is about 45067.9501530744. The cubic root of 2031120131 is about 1266.4222638413.

Adding to 2031120131 its reverse (1310211302), we get a palindrome (3341331433).

The spelling of 2031120131 in words is "two billion, thirty-one million, one hundred twenty thousand, one hundred thirty-one".