103212202131 has 16 divisors (see below), whose sum is σ = 153389335200. Its totient is φ = 68591068704.

The previous prime is 103212202087. The next prime is 103212202139. The reversal of 103212202131 is 131202212301.

103212202131 is a `hidden beast` number, since 10 + 321 + 2 + 202 + 131 = 666.

It is not a de Polignac number, because 103212202131 - 2²² = 103208007827 is a prime.

It is a super-2 number, since 2×103212202131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103212202139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6020896 + ... + 6038013.

It is an arithmetic number, because the mean of its divisors is an integer number (9586833450).

Almost surely, 2^103212202131 is an apocalyptic number.

103212202131 is a deficient number, since it is larger than the sum of its proper divisors (50177133069).

103212202131 is a wasteful number, since it uses less digits than its factorization.

103212202131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12059235 (or 12059229 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 103212202131 its reverse (131202212301), we get a palindrome (234414414432).

The spelling of 103212202131 in words is "one hundred three billion, two hundred twelve million, two hundred two thousand, one hundred thirty-one".