40130344031 has 4 divisors (see below), whose sum is σ = 40261062072. Its totient is φ = 39999625992.

The previous prime is 40130344027. The next prime is 40130344061. The reversal of 40130344031 is 13044303104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40130344031 - 2² = 40130344027 is a prime.

It is a super-2 number, since 2×40130344031² (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 = 40130343988 and 40130344006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40130344061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65358560 + ... + 65359173.

It is an arithmetic number, because the mean of its divisors is an integer number (10065265518).

Almost surely, 2^40130344031 is an apocalyptic number.

40130344031 is a deficient number, since it is larger than the sum of its proper divisors (130718041).

40130344031 is a wasteful number, since it uses less digits than its factorization.

40130344031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130718040.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 40130344031 its reverse (13044303104), we get a palindrome (53174647135).

The spelling of 40130344031 in words is "forty billion, one hundred thirty million, three hundred forty-four thousand, thirty-one".