1031165542 has 16 divisors (see below), whose sum is σ = 1726604352. Its totient is φ = 457810920.

The previous prime is 1031165519. The next prime is 1031165573. The reversal of 1031165542 is 2455611301.

It is a self number, because there is not a number n which added to its sum of digits gives 1031165542.

It is a congruent 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, 544068 + ... + 545959.

It is an arithmetic number, because the mean of its divisors is an integer number (107912772).

Almost surely, 2^1031165542 is an apocalyptic number.

1031165542 is a deficient number, since it is larger than the sum of its proper divisors (695438810).

1031165542 is a wasteful number, since it uses less digits than its factorization.

1031165542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090083.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1031165542 is about 32111.7664104608. The cubic root of 1031165542 is about 1010.2824233884.

Adding to 1031165542 its reverse (2455611301), we get a palindrome (3486776843).

The spelling of 1031165542 in words is "one billion, thirty-one million, one hundred sixty-five thousand, five hundred forty-two".