1011311231132 has 12 divisors (see below), whose sum is σ = 1771450222920. Its totient is φ = 505182596016.

The previous prime is 1011311231129. The next prime is 1011311231137. The reversal of 1011311231132 is 2311321131101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011311231137) 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, 118250078 + ... + 118258629.

It is an arithmetic number, because the mean of its divisors is an integer number (147620851910).

Almost surely, 2^{1011311231132} is an apocalyptic number.

It is an amenable number.

1011311231132 is a deficient number, since it is larger than the sum of its proper divisors (760138991788).

1011311231132 is a wasteful number, since it uses less digits than its factorization.

1011311231132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236509780 (or 236509778 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 1011311231132 its reverse (2311321131101), we get a palindrome (3322632362233).

The spelling of 1011311231132 in words is "one trillion, eleven billion, three hundred eleven million, two hundred thirty-one thousand, one hundred thirty-two".