10203111342 has 48 divisors (see below), whose sum is σ = 22763164320. Its totient is φ = 3300526656.

The previous prime is 10203111341. The next prime is 10203111371. The reversal of 10203111342 is 24311130201.

10203111342 is a `hidden beast` number, since 10 + 2 + 0 + 311 + 1 + 342 = 666.

10203111342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203111341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 239383 + ... + 278765.

It is an arithmetic number, because the mean of its divisors is an integer number (474232590).

Almost surely, 2^10203111342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10203111342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11381582160).

10203111342 is an abundant number, since it is smaller than the sum of its proper divisors (12560052978).

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

10203111342 is a wasteful number, since it uses less digits than its factorization.

10203111342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39817 (or 39814 counting only the distinct ones).

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

Adding to 10203111342 its reverse (24311130201), we get a palindrome (34514241543).

The spelling of 10203111342 in words is "ten billion, two hundred three million, one hundred eleven thousand, three hundred forty-two".