10231120987 has 2 divisors, whose sum is σ = 10231120988. Its totient is φ = 10231120986.

The previous prime is 10231120979. The next prime is 10231121003. The reversal of 10231120987 is 78902113201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10231120987 - 2³ = 10231120979 is a prime.

It is not a weakly prime, because it can be changed into another prime (10231120967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5115560493 + 5115560494.

It is an arithmetic number, because the mean of its divisors is an integer number (5115560494).

Almost surely, 2^10231120987 is an apocalyptic number.

10231120987 is a deficient number, since it is larger than the sum of its proper divisors (1).

10231120987 is an equidigital number, since it uses as much as digits as its factorization.

10231120987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 34.

The spelling of 10231120987 in words is "ten billion, two hundred thirty-one million, one hundred twenty thousand, nine hundred eighty-seven".