61313231350 has 48 divisors (see below), whose sum is σ = 130398591456. Its totient is φ = 21011328000.

The previous prime is 61313231311. The next prime is 61313231351. The reversal of 61313231350 is 5313231316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61313231351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 686260 + ... + 770440.

It is an arithmetic number, because the mean of its divisors is an integer number (2716637322).

Almost surely, 2^61313231350 is an apocalyptic number.

61313231350 is an abundant number, since it is smaller than the sum of its proper divisors (69085360106).

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

61313231350 is a wasteful number, since it uses less digits than its factorization.

61313231350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86281 (or 86276 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 28.

Adding to 61313231350 its reverse (5313231316), we get a palindrome (66626462666).

The spelling of 61313231350 in words is "sixty-one billion, three hundred thirteen million, two hundred thirty-one thousand, three hundred fifty".