312201310431430 has 32 divisors (see below), whose sum is σ = 664388995602240. Its totient is φ = 103349399314560.

The previous prime is 312201310431371. The next prime is 312201310431463. The reversal of 312201310431430 is 34134013102213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76896872461 + ... + 76896876520.

It is an arithmetic number, because the mean of its divisors is an integer number (20762156112570).

Almost surely, 2^{312201310431430} is an apocalyptic number.

312201310431430 is an abundant number, since it is smaller than the sum of its proper divisors (352187685170810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312201310431430 is a wasteful number, since it uses less digits than its factorization.

312201310431430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153793749024.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 312201310431430 its reverse (34134013102213), we get a palindrome (346335323533643).

The spelling of 312201310431430 in words is "three hundred twelve trillion, two hundred one billion, three hundred ten million, four hundred thirty-one thousand, four hundred thirty".