1210231331951 has 2 divisors, whose sum is σ = 1210231331952. Its totient is φ = 1210231331950.

The previous prime is 1210231331927. The next prime is 1210231331999. The reversal of 1210231331951 is 1591331320121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1210231331951 - 2¹⁰ = 1210231330927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210231331921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605115665975 + 605115665976.

It is an arithmetic number, because the mean of its divisors is an integer number (605115665976).

Almost surely, 2^{1210231331951} is an apocalyptic number.

1210231331951 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210231331951 is an equidigital number, since it uses as much as digits as its factorization.

1210231331951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 32.

The spelling of 1210231331951 in words is "one trillion, two hundred ten billion, two hundred thirty-one million, three hundred thirty-one thousand, nine hundred fifty-one".