101630921032 has 32 divisors (see below), whose sum is σ = 195231105720. Its totient is φ = 49569615360.

The previous prime is 101630921003. The next prime is 101630921069. The reversal of 101630921032 is 230129036101.

It can be written as a sum of positive squares in 4 ways, for example, as 83697961636 + 17932959396 = 289306^2 + 133914^2 .

It is an alternating number because its digits alternate between odd and even.

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, 3382138 + ... + 3412054.

Almost surely, 2^101630921032 is an apocalyptic number.

It is an amenable number.

101630921032 is a deficient number, since it is larger than the sum of its proper divisors (93600184688).

101630921032 is a wasteful number, since it uses less digits than its factorization.

101630921032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40321 (or 40317 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

Adding to 101630921032 its reverse (230129036101), we get a palindrome (331759957133).

The spelling of 101630921032 in words is "one hundred one billion, six hundred thirty million, nine hundred twenty-one thousand, thirty-two".