40231101131 has 4 divisors (see below), whose sum is σ = 43325801232. Its totient is φ = 37136401032.

The previous prime is 40231101037. The next prime is 40231101133. The reversal of 40231101131 is 13110113204.

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 40231101131 - 2³⁴ = 23051231947 is a prime.

It is a super-2 number, since 2×40231101131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40231101133) 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, 1547350031 + ... + 1547350056.

It is an arithmetic number, because the mean of its divisors is an integer number (10831450308).

Almost surely, 2^40231101131 is an apocalyptic number.

40231101131 is a deficient number, since it is larger than the sum of its proper divisors (3094700101).

40231101131 is a wasteful number, since it uses less digits than its factorization.

40231101131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3094700100.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 40231101131 its reverse (13110113204), we get a palindrome (53341214335).

The spelling of 40231101131 in words is "forty billion, two hundred thirty-one million, one hundred one thousand, one hundred thirty-one".