103213212220031 has 4 divisors (see below), whose sum is σ = 103214119950000. Its totient is φ = 103212304490064.

The previous prime is 103213212219907. The next prime is 103213212220061. The reversal of 103213212220031 is 130022212312301.

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 103213212220031 - 2³⁴ = 103196032350847 is a prime.

It is a super-2 number, since 2×103213212220031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103213212219979 and 103213212220006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103213212220061) 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, 453694406 + ... + 453921843.

It is an arithmetic number, because the mean of its divisors is an integer number (25803529987500).

Almost surely, 2^{103213212220031} is an apocalyptic number.

103213212220031 is a deficient number, since it is larger than the sum of its proper divisors (907729969).

103213212220031 is an equidigital number, since it uses as much as digits as its factorization.

103213212220031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907729968.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 103213212220031 its reverse (130022212312301), we get a palindrome (233235424532332).

The spelling of 103213212220031 in words is "one hundred three trillion, two hundred thirteen billion, two hundred twelve million, two hundred twenty thousand, thirty-one".