2102303209031 has 2 divisors, whose sum is σ = 2102303209032. Its totient is φ = 2102303209030.

The previous prime is 2102303209009. The next prime is 2102303209037. The reversal of 2102303209031 is 1309023032012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2102303209031 - 2²² = 2102299014727 is a prime.

It is a super-2 number, since 2×2102303209031² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102303209037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051151604515 + 1051151604516.

It is an arithmetic number, because the mean of its divisors is an integer number (1051151604516).

Almost surely, 2^{2102303209031} is an apocalyptic number.

2102303209031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102303209031 is an equidigital number, since it uses as much as digits as its factorization.

2102303209031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 2102303209031 in words is "two trillion, one hundred two billion, three hundred three million, two hundred nine thousand, thirty-one".