1101243340131 has 32 divisors (see below), whose sum is σ = 1618415271936. Its totient is φ = 660513348000.

The previous prime is 1101243340073. The next prime is 1101243340157. The reversal of 1101243340131 is 1310433421011.

It is a happy number.

It is not a de Polignac number, because 1101243340131 - 2⁷ = 1101243340003 is a prime.

It is a super-2 number, since 2×1101243340131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1101243345131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3341866 + ... + 3656576.

It is an arithmetic number, because the mean of its divisors is an integer number (50575477248).

Almost surely, 2^{1101243340131} is an apocalyptic number.

1101243340131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1101243340131 is a deficient number, since it is larger than the sum of its proper divisors (517171931805).

1101243340131 is a wasteful number, since it uses less digits than its factorization.

1101243340131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315823.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 1101243340131 its reverse (1310433421011), we get a palindrome (2411676761142).

The spelling of 1101243340131 in words is "one trillion, one hundred one billion, two hundred forty-three million, three hundred forty thousand, one hundred thirty-one".