1961581002310 has 8 divisors (see below), whose sum is σ = 3530845804176. Its totient is φ = 784632400920.

The previous prime is 1961581002307. The next prime is 1961581002313. The reversal of 1961581002310 is 132001851691.

It is an interprime number because it is at equal distance from previous prime (1961581002307) and next prime (1961581002313).

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

It is a super-2 number, since 2×1961581002310² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1961581002310.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1961581002313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98079050106 + ... + 98079050125.

It is an arithmetic number, because the mean of its divisors is an integer number (441355725522).

Almost surely, 2^{1961581002310} is an apocalyptic number.

1961581002310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1961581002310 is a deficient number, since it is larger than the sum of its proper divisors (1569264801866).

1961581002310 is a wasteful number, since it uses less digits than its factorization.

1961581002310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196158100238.

The product of its (nonzero) digits is 12960, while the sum is 37.

The spelling of 1961581002310 in words is "one trillion, nine hundred sixty-one billion, five hundred eighty-one million, two thousand, three hundred ten".