130155031 has 2 divisors, whose sum is σ = 130155032. Its totient is φ = 130155030.

The previous prime is 130155007. The next prime is 130155101. The reversal of 130155031 is 130551031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130155031 - 2¹³ = 130146839 is a prime.

It is a super-2 number, since 2×130155031² = 33880664189221922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130155001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65077515 + 65077516.

It is an arithmetic number, because the mean of its divisors is an integer number (65077516).

Almost surely, 2^130155031 is an apocalyptic number.

130155031 is a deficient number, since it is larger than the sum of its proper divisors (1).

130155031 is an equidigital number, since it uses as much as digits as its factorization.

130155031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 130155031 is about 11408.5507843898. The cubic root of 130155031 is about 506.7809951392.

The spelling of 130155031 in words is "one hundred thirty million, one hundred fifty-five thousand, thirty-one".