40311402131 has 16 divisors (see below), whose sum is σ = 54124401408. Its totient is φ = 28995213600.

The previous prime is 40311402119. The next prime is 40311402151. The reversal of 40311402131 is 13120411304.

It is a cyclic number.

It is not a de Polignac number, because 40311402131 - 2⁶ = 40311402067 is a prime.

It is a super-2 number, since 2×40311402131² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40311402101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20134565 + ... + 20136566.

It is an arithmetic number, because the mean of its divisors is an integer number (3382775088).

Almost surely, 2^40311402131 is an apocalyptic number.

40311402131 is a deficient number, since it is larger than the sum of its proper divisors (13812999277).

40311402131 is a wasteful number, since it uses less digits than its factorization.

40311402131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40271162.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 40311402131 its reverse (13120411304), we get a palindrome (53431813435).

The spelling of 40311402131 in words is "forty billion, three hundred eleven million, four hundred two thousand, one hundred thirty-one".