1031354642 has 8 divisors (see below), whose sum is σ = 1547437500. Its totient is φ = 515542144.

The previous prime is 1031354641. The next prime is 1031354647. The reversal of 1031354642 is 2464531301.

It can be written as a sum of positive squares in 2 ways, for example, as 982759801 + 48594841 = 31349^2 + 6971^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1031354641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57767 + ... + 73482.

Almost surely, 2^1031354642 is an apocalyptic number.

1031354642 is a deficient number, since it is larger than the sum of its proper divisors (516082858).

1031354642 is a wasteful number, since it uses less digits than its factorization.

1031354642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135180.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 1031354642 is about 32114.7106790642. The cubic root of 1031354642 is about 1010.3441763988.

Adding to 1031354642 its reverse (2464531301), we get a palindrome (3495885943).

The spelling of 1031354642 in words is "one billion, thirty-one million, three hundred fifty-four thousand, six hundred forty-two".