11141431431 has 16 divisors (see below), whose sum is σ = 16067825760. Its totient is φ = 6826320000.

The previous prime is 11141431409. The next prime is 11141431463. The reversal of 11141431431 is 13413414111.

It is not a de Polignac number, because 11141431431 - 2⁷ = 11141431303 is a prime.

It is a super-2 number, since 2×11141431431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11141430431) 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, 614820 + ... + 632681.

It is an arithmetic number, because the mean of its divisors is an integer number (1004239110).

Almost surely, 2^11141431431 is an apocalyptic number.

11141431431 is a deficient number, since it is larger than the sum of its proper divisors (4926394329).

11141431431 is a wasteful number, since it uses less digits than its factorization.

11141431431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247746.

The product of its digits is 576, while the sum is 24.

Adding to 11141431431 its reverse (13413414111), we get a palindrome (24554845542).

It can be divided in two parts, 111414 and 31431, that added together give a triangular number (142845 = T₅₃₄).

The spelling of 11141431431 in words is "eleven billion, one hundred forty-one million, four hundred thirty-one thousand, four hundred thirty-one".