961531102 has 16 divisors (see below), whose sum is σ = 1649023200. Its totient is φ = 411913728.

The previous prime is 961531093. The next prime is 961531133. The reversal of 961531102 is 201135169.

It is a super-2 number, since 2×961531102² = 1849084120226668808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 24274 + ... + 50122.

It is an arithmetic number, because the mean of its divisors is an integer number (103063950).

Almost surely, 2^961531102 is an apocalyptic number.

961531102 is a deficient number, since it is larger than the sum of its proper divisors (687492098).

961531102 is a wasteful number, since it uses less digits than its factorization.

961531102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28515.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 961531102 is about 31008.5649780831. The cubic root of 961531102 is about 987.0089986988.

The spelling of 961531102 in words is "nine hundred sixty-one million, five hundred thirty-one thousand, one hundred two".