103031313123220 has 24 divisors (see below), whose sum is σ = 216401897071584. Its totient is φ = 41205641532576.

The previous prime is 103031313123203. The next prime is 103031313123223. The reversal of 103031313123220 is 22321313130301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103031313123223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430109562 + ... + 430349041.

It is an arithmetic number, because the mean of its divisors is an integer number (9016745711316).

Almost surely, 2^{103031313123220} is an apocalyptic number.

103031313123220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103031313123220 is an abundant number, since it is smaller than the sum of its proper divisors (113370583948364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103031313123220 is a wasteful number, since it uses less digits than its factorization.

103031313123220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860464599 (or 860464597 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 103031313123220 its reverse (22321313130301), we get a palindrome (125352626253521).

The spelling of 103031313123220 in words is "one hundred three trillion, thirty-one billion, three hundred thirteen million, one hundred twenty-three thousand, two hundred twenty".