1031401034242 has 4 divisors (see below), whose sum is σ = 1547101551366. Its totient is φ = 515700517120.

The previous prime is 1031401034239. The next prime is 1031401034249. The reversal of 1031401034242 is 2424301041301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 934742846041 + 96658188201 = 966821^2 + 310899^2 .

It is not an unprimeable number, because it can be changed into a prime (1031401034249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257850258559 + ... + 257850258562.

Almost surely, 2^{1031401034242} is an apocalyptic number.

1031401034242 is a deficient number, since it is larger than the sum of its proper divisors (515700517124).

1031401034242 is an equidigital number, since it uses as much as digits as its factorization.

1031401034242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515700517123.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1031401034242 its reverse (2424301041301), we get a palindrome (3455702075543).

The spelling of 1031401034242 in words is "one trillion, thirty-one billion, four hundred one million, thirty-four thousand, two hundred forty-two".