103151431 has 2 divisors, whose sum is σ = 103151432. Its totient is φ = 103151430.

The previous prime is 103151413. The next prime is 103151443. The reversal of 103151431 is 134151301.

Together with previous prime (103151413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 103151431 - 2¹¹ = 103149383 is a prime.

It is a super-2 number, since 2×103151431² = 21280435434695522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103151399 and 103151408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103151491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51575715 + 51575716.

It is an arithmetic number, because the mean of its divisors is an integer number (51575716).

Almost surely, 2^103151431 is an apocalyptic number.

103151431 is a deficient number, since it is larger than the sum of its proper divisors (1).

103151431 is an equidigital number, since it uses as much as digits as its factorization.

103151431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 103151431 is about 10156.3492948992. The cubic root of 103151431 is about 468.9844239943.

The spelling of 103151431 in words is "one hundred three million, one hundred fifty-one thousand, four hundred thirty-one".