10121031342 has 24 divisors (see below), whose sum is σ = 22636286400. Its totient is φ = 3264848640.

The previous prime is 10121031341. The next prime is 10121031383. The reversal of 10121031342 is 24313012101.

10121031342 is a `hidden beast` number, since 101 + 210 + 313 + 42 = 666.

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 (10121031341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9068467 + ... + 9069582.

It is an arithmetic number, because the mean of its divisors is an integer number (943178600).

Almost surely, 2^10121031342 is an apocalyptic number.

10121031342 is an abundant number, since it is smaller than the sum of its proper divisors (12515255058).

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

10121031342 is a wasteful number, since it uses less digits than its factorization.

10121031342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18138088 (or 18138085 counting only the distinct ones).

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

Adding to 10121031342 its reverse (24313012101), we get a palindrome (34434043443).

The spelling of 10121031342 in words is "ten billion, one hundred twenty-one million, thirty-one thousand, three hundred forty-two".