103010299978 has 4 divisors (see below), whose sum is σ = 154515449970. Its totient is φ = 51505149988.

The previous prime is 103010299937. The next prime is 103010300009. The reversal of 103010299978 is 879992010301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 879992010301 = 23 ⋅38260522187.

It can be written as a sum of positive squares in only one way, i.e., 79838458249 + 23171841729 = 282557^2 + 152223^2 .

It is a super-2 number, since 2×103010299978² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25752574993 + ... + 25752574996.

Almost surely, 2^103010299978 is an apocalyptic number.

103010299978 is a deficient number, since it is larger than the sum of its proper divisors (51505149992).

103010299978 is an equidigital number, since it uses as much as digits as its factorization.

103010299978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51505149991.

The product of its (nonzero) digits is 244944, while the sum is 49.

The spelling of 103010299978 in words is "one hundred three billion, ten million, two hundred ninety-nine thousand, nine hundred seventy-eight".