340154031 has 12 divisors (see below), whose sum is σ = 527586072. Its totient is φ = 194373648.

The previous prime is 340154029. The next prime is 340154033. The reversal of 340154031 is 130451043.

It is an interprime number because it is at equal distance from previous prime (340154029) and next prime (340154033).

It is not a de Polignac number, because 340154031 - 2¹ = 340154029 is a prime.

It is a super-2 number, since 2×340154031² = 231409529611097922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 340153989 and 340154007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340154033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1156840 + ... + 1157133.

It is an arithmetic number, because the mean of its divisors is an integer number (43965506).

Almost surely, 2^340154031 is an apocalyptic number.

340154031 is a deficient number, since it is larger than the sum of its proper divisors (187432041).

340154031 is a wasteful number, since it uses less digits than its factorization.

340154031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313990 (or 2313983 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 340154031 is about 18443.2651935605. The cubic root of 340154031 is about 698.0585872394.

The spelling of 340154031 in words is "three hundred forty million, one hundred fifty-four thousand, thirty-one".