103207217631 has 8 divisors (see below), whose sum is σ = 157268141184. Its totient is φ = 58975552920.

The previous prime is 103207217627. The next prime is 103207217647. The reversal of 103207217631 is 136712702301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 103207217631 - 2² = 103207217627 is a prime.

It is a super-2 number, since 2×103207217631² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103207217592 and 103207217601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103207217621) 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, 2457314685 + ... + 2457314726.

It is an arithmetic number, because the mean of its divisors is an integer number (19658517648).

Almost surely, 2^103207217631 is an apocalyptic number.

103207217631 is a deficient number, since it is larger than the sum of its proper divisors (54060923553).

103207217631 is an equidigital number, since it uses as much as digits as its factorization.

103207217631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4914629421.

The product of its (nonzero) digits is 10584, while the sum is 33.

Adding to 103207217631 its reverse (136712702301), we get a palindrome (239919919932).

The spelling of 103207217631 in words is "one hundred three billion, two hundred seven million, two hundred seventeen thousand, six hundred thirty-one".