1142331150731 has 4 divisors (see below), whose sum is σ = 1209527100792. Its totient is φ = 1075135200672.

The previous prime is 1142331150691. The next prime is 1142331150757. The reversal of 1142331150731 is 1370511332411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1142331150731 - 2²² = 1142326956427 is a prime.

It is a super-2 number, since 2×1142331150731² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142331150761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33597975005 + ... + 33597975038.

It is an arithmetic number, because the mean of its divisors is an integer number (302381775198).

Almost surely, 2^{1142331150731} is an apocalyptic number.

1142331150731 is a deficient number, since it is larger than the sum of its proper divisors (67195950061).

1142331150731 is an equidigital number, since it uses as much as digits as its factorization.

1142331150731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67195950060.

The product of its (nonzero) digits is 7560, while the sum is 32.

The spelling of 1142331150731 in words is "one trillion, one hundred forty-two billion, three hundred thirty-one million, one hundred fifty thousand, seven hundred thirty-one".