100473031 has 2 divisors, whose sum is σ = 100473032. Its totient is φ = 100473030.

The previous prime is 100473029. The next prime is 100473053. The reversal of 100473031 is 130374001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100473031 - 2¹ = 100473029 is a prime.

It is a super-2 number, since 2×100473031² = 20189659916653922, which contains 22 as substring.

Together with 100473029, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100473091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50236515 + 50236516.

It is an arithmetic number, because the mean of its divisors is an integer number (50236516).

Almost surely, 2^100473031 is an apocalyptic number.

100473031 is a deficient number, since it is larger than the sum of its proper divisors (1).

100473031 is an equidigital number, since it uses as much as digits as its factorization.

100473031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 100473031 is about 10023.6236461671. The cubic root of 100473031 is about 464.8896041934.

The spelling of 100473031 in words is "one hundred million, four hundred seventy-three thousand, thirty-one".