101031340042 has 16 divisors (see below), whose sum is σ = 152161030152. Its totient is φ = 50311272960.

The previous prime is 101031340037. The next prime is 101031340043. The reversal of 101031340042 is 240043130101.

It can be written as a sum of positive squares in 4 ways, for example, as 83838623401 + 17192716641 = 289549^2 + 131121^2 .

It is not an unprimeable number, because it can be changed into a prime (101031340043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670978 + ... + 807634.

Almost surely, 2^101031340042 is an apocalyptic number.

101031340042 is a deficient number, since it is larger than the sum of its proper divisors (51129690110).

101031340042 is a wasteful number, since it uses less digits than its factorization.

101031340042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138153.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 101031340042 its reverse (240043130101), we get a palindrome (341074470143).

The spelling of 101031340042 in words is "one hundred one billion, thirty-one million, three hundred forty thousand, forty-two".