103213203031 has 4 divisors (see below), whose sum is σ = 103955744200. Its totient is φ = 102470661864.

The previous prime is 103213202993. The next prime is 103213203047. The reversal of 103213203031 is 130302312301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103213203031 - 2¹¹ = 103213200983 is a prime.

It is a super-2 number, since 2×103213203031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103213203091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371270376 + ... + 371270653.

It is an arithmetic number, because the mean of its divisors is an integer number (25988936050).

Almost surely, 2^103213203031 is an apocalyptic number.

103213203031 is a deficient number, since it is larger than the sum of its proper divisors (742541169).

103213203031 is an equidigital number, since it uses as much as digits as its factorization.

103213203031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742541168.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 103213203031 its reverse (130302312301), we get a palindrome (233515515332).

The spelling of 103213203031 in words is "one hundred three billion, two hundred thirteen million, two hundred three thousand, thirty-one".