1303111131042 has 32 divisors (see below), whose sum is σ = 3020490998784. Its totient is φ = 367073557200.

The previous prime is 1303111131013. The next prime is 1303111131067. The reversal of 1303111131042 is 2401311113031.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218493184 + ... + 218499147.

It is an arithmetic number, because the mean of its divisors is an integer number (94390343712).

Almost surely, 2^{1303111131042} is an apocalyptic number.

1303111131042 is an abundant number, since it is smaller than the sum of its proper divisors (1717379867742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1303111131042 is a wasteful number, since it uses less digits than its factorization.

1303111131042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436992414.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1303111131042 its reverse (2401311113031), we get a palindrome (3704422244073).

The spelling of 1303111131042 in words is "one trillion, three hundred three billion, one hundred eleven million, one hundred thirty-one thousand, forty-two".