103021213131 has 12 divisors (see below), whose sum is σ = 150692070880. Its totient is φ = 67811430960.

The previous prime is 103021213129. The next prime is 103021213133. The reversal of 103021213131 is 131312120301.

It is an interprime number because it is at equal distance from previous prime (103021213129) and next prime (103021213133).

It is not a de Polignac number, because 103021213131 - 2¹ = 103021213129 is a prime.

It is a super-2 number, since 2×103021213131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103021213133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72447400 + ... + 72448821.

Almost surely, 2^103021213131 is an apocalyptic number.

103021213131 is a deficient number, since it is larger than the sum of its proper divisors (47670857749).

103021213131 is a wasteful number, since it uses less digits than its factorization.

103021213131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144896306 (or 144896303 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 103021213131 its reverse (131312120301), we get a palindrome (234333333432).

The spelling of 103021213131 in words is "one hundred three billion, twenty-one million, two hundred thirteen thousand, one hundred thirty-one".