103901531 has 2 divisors, whose sum is σ = 103901532. Its totient is φ = 103901530.

The previous prime is 103901521. The next prime is 103901533. The reversal of 103901531 is 135109301.

It is a strong prime.

It is an emirp because it is prime and its reverse (135109301) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103901531 is a prime.

It is a super-2 number, since 2×103901531² = 21591056288287922, which contains 22 as substring.

Together with 103901533, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 103901497 and 103901506.

It is not a weakly prime, because it can be changed into another prime (103901533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51950765 + 51950766.

It is an arithmetic number, because the mean of its divisors is an integer number (51950766).

Almost surely, 2^103901531 is an apocalyptic number.

103901531 is a deficient number, since it is larger than the sum of its proper divisors (1).

103901531 is an equidigital number, since it uses as much as digits as its factorization.

103901531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 405, while the sum is 23.

The square root of 103901531 is about 10193.2100439459. The cubic root of 103901531 is about 470.1184717190.

The spelling of 103901531 in words is "one hundred three million, nine hundred one thousand, five hundred thirty-one".