103210131987 has 8 divisors (see below), whose sum is σ = 152903899280. Its totient is φ = 68806754640.

The previous prime is 103210131967. The next prime is 103210132043. The reversal of 103210131987 is 789131012301.

103210131987 is a `hidden beast` number, since 10 + 321 + 0 + 1 + 319 + 8 + 7 = 666.

It is not a de Polignac number, because 103210131987 - 2¹⁸ = 103209869843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103210131967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1911298714 + ... + 1911298767.

It is an arithmetic number, because the mean of its divisors is an integer number (19112987410).

Almost surely, 2^103210131987 is an apocalyptic number.

103210131987 is a deficient number, since it is larger than the sum of its proper divisors (49693767293).

103210131987 is an equidigital number, since it uses as much as digits as its factorization.

103210131987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3822597490 (or 3822597484 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The spelling of 103210131987 in words is "one hundred three billion, two hundred ten million, one hundred thirty-one thousand, nine hundred eighty-seven".