103131131202 has 160 divisors (see below), whose sum is σ = 257905796544. Its totient is φ = 30538684800.

The previous prime is 103131131197. The next prime is 103131131269. The reversal of 103131131202 is 202131131301.

103131131202 is a `hidden beast` number, since 10 + 31 + 311 + 312 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 17063193 + ... + 17069235.

Almost surely, 2^103131131202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103131131202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128952898272).

103131131202 is an abundant number, since it is smaller than the sum of its proper divisors (154774665342).

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

103131131202 is a wasteful number, since it uses less digits than its factorization.

103131131202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6286 (or 6277 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 103131131202 its reverse (202131131301), we get a palindrome (305262262503).

Subtracting 103131131202 from its reverse (202131131301), we obtain a palindrome (99000000099).

The spelling of 103131131202 in words is "one hundred three billion, one hundred thirty-one million, one hundred thirty-one thousand, two hundred two".