312146629 has 2 divisors, whose sum is σ = 312146630. Its totient is φ = 312146628.

The previous prime is 312146623. The next prime is 312146651. The reversal of 312146629 is 926641213.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 173448900 + 138697729 = 13170^2 + 11777^2 .

It is a cyclic number.

It is not a de Polignac number, because 312146629 - 2¹⁵ = 312113861 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312146594 and 312146603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312146623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156073314 + 156073315.

It is an arithmetic number, because the mean of its divisors is an integer number (156073315).

Almost surely, 2^312146629 is an apocalyptic number.

It is an amenable number.

312146629 is a deficient number, since it is larger than the sum of its proper divisors (1).

312146629 is an equidigital number, since it uses as much as digits as its factorization.

312146629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 34.

The square root of 312146629 is about 17667.6718613404. The cubic root of 312146629 is about 678.3485219503.

The spelling of 312146629 in words is "three hundred twelve million, one hundred forty-six thousand, six hundred twenty-nine".