1031513442 has 16 divisors (see below), whose sum is σ = 2063342592. Its totient is φ = 343785200.

The previous prime is 1031513411. The next prime is 1031513501. The reversal of 1031513442 is 2443151301.

It is a happy number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65503 + ... + 79709.

It is an arithmetic number, because the mean of its divisors is an integer number (128958912).

Almost surely, 2^1031513442 is an apocalyptic number.

1031513442 is an abundant number, since it is smaller than the sum of its proper divisors (1031829150).

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

1031513442 is a wasteful number, since it uses less digits than its factorization.

1031513442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26313.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1031513442 is about 32117.1829711138. The cubic root of 1031513442 is about 1010.3960287281.

Adding to 1031513442 its reverse (2443151301), we get a palindrome (3474664743).

The spelling of 1031513442 in words is "one billion, thirty-one million, five hundred thirteen thousand, four hundred forty-two".