42345001031 has 8 divisors (see below), whose sum is σ = 42543083520. Its totient is φ = 42146992152.

The previous prime is 42345001007. The next prime is 42345001033. The reversal of 42345001031 is 13010054324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42345001031 - 2⁶ = 42345000967 is a prime.

It is a super-2 number, since 2×42345001031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42345000988 and 42345001006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42345001033) 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, 1381490 + ... + 1411808.

It is an arithmetic number, because the mean of its divisors is an integer number (5317885440).

Almost surely, 2^42345001031 is an apocalyptic number.

42345001031 is a deficient number, since it is larger than the sum of its proper divisors (198082489).

42345001031 is a wasteful number, since it uses less digits than its factorization.

42345001031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36805.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 42345001031 its reverse (13010054324), we get a palindrome (55355055355).

The spelling of 42345001031 in words is "forty-two billion, three hundred forty-five million, one thousand, thirty-one".