2140431403131 has 40 divisors (see below), whose sum is σ = 3658651839744. Its totient is φ = 1221617239920.

The previous prime is 2140431403073. The next prime is 2140431403157. The reversal of 2140431403131 is 1313041340412.

2140431403131 is a `hidden beast` number, since 21 + 40 + 431 + 40 + 3 + 131 = 666.

It is not a de Polignac number, because 2140431403131 - 2⁹ = 2140431402619 is a prime.

It is a super-2 number, since 2×2140431403131² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2140431403095 and 2140431403104.

It is not an unprimeable number, because it can be changed into a prime (2140431403531) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1826805 + ... + 2760086.

Almost surely, 2^{2140431403131} is an apocalyptic number.

2140431403131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2140431403131 is a deficient number, since it is larger than the sum of its proper divisors (1518220436613).

2140431403131 is an equidigital number, since it uses as much as digits as its factorization.

2140431403131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4587733 (or 4587724 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 2140431403131 its reverse (1313041340412), we get a palindrome (3453472743543).

The spelling of 2140431403131 in words is "two trillion, one hundred forty billion, four hundred thirty-one million, four hundred three thousand, one hundred thirty-one".