103213142531 has 2 divisors, whose sum is σ = 103213142532. Its totient is φ = 103213142530.

The previous prime is 103213142519. The next prime is 103213142579. The reversal of 103213142531 is 135241312301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103213142531 - 2¹⁸ = 103212880387 is a prime.

It is a super-2 number, since 2×103213142531² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103213142531.

It is not a weakly prime, because it can be changed into another prime (103210142531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51606571265 + 51606571266.

It is an arithmetic number, because the mean of its divisors is an integer number (51606571266).

Almost surely, 2^103213142531 is an apocalyptic number.

103213142531 is a deficient number, since it is larger than the sum of its proper divisors (1).

103213142531 is an equidigital number, since it uses as much as digits as its factorization.

103213142531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 103213142531 its reverse (135241312301), we get a palindrome (238454454832).

The spelling of 103213142531 in words is "one hundred three billion, two hundred thirteen million, one hundred forty-two thousand, five hundred thirty-one".