31012033103 has 2 divisors, whose sum is σ = 31012033104. Its totient is φ = 31012033102.

The previous prime is 31012033081. The next prime is 31012033121. The reversal of 31012033103 is 30133021013.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31012033103 - 2³² = 26717065807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31012033193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15506016551 + 15506016552.

It is an arithmetic number, because the mean of its divisors is an integer number (15506016552).

Almost surely, 2^31012033103 is an apocalyptic number.

31012033103 is a deficient number, since it is larger than the sum of its proper divisors (1).

31012033103 is an equidigital number, since it uses as much as digits as its factorization.

31012033103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 31012033103 its reverse (30133021013), we get a palindrome (61145054116).

The spelling of 31012033103 in words is "thirty-one billion, twelve million, thirty-three thousand, one hundred three".