1031142013 has 8 divisors (see below), whose sum is σ = 1125450720. Its totient is φ = 936928080.

The previous prime is 1031141983. The next prime is 1031142023. The reversal of 1031142013 is 3102411301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1031142013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031142023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106 + ... + 45412.

It is an arithmetic number, because the mean of its divisors is an integer number (140681340).

Almost surely, 2^1031142013 is an apocalyptic number.

It is an amenable number.

1031142013 is a deficient number, since it is larger than the sum of its proper divisors (94308707).

1031142013 is a wasteful number, since it uses less digits than its factorization.

1031142013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47387.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1031142013 is about 32111.4000473352. The cubic root of 1031142013 is about 1010.2747391661.

Adding to 1031142013 its reverse (3102411301), we get a palindrome (4133553314).

The spelling of 1031142013 in words is "one billion, thirty-one million, one hundred forty-two thousand, thirteen".