1131000120344 has 8 divisors (see below), whose sum is σ = 2120625225660. Its totient is φ = 565500060168.

The previous prime is 1131000120329. The next prime is 1131000120353. The reversal of 1131000120344 is 4430210001311.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1131000120344² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70687507514 + ... + 70687507529.

Almost surely, 2^{1131000120344} is an apocalyptic number.

It is an amenable number.

1131000120344 is a deficient number, since it is larger than the sum of its proper divisors (989625105316).

1131000120344 is a wasteful number, since it uses less digits than its factorization.

1131000120344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141375015049 (or 141375015045 counting only the distinct ones).

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

Adding to 1131000120344 its reverse (4430210001311), we get a palindrome (5561210121655).

The spelling of 1131000120344 in words is "one trillion, one hundred thirty-one billion, one hundred twenty thousand, three hundred forty-four".